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2479b, MNH 19¢ Red Color Omitted Error PFC Certificate * Stuart Katz
37644
$282.00
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2511b, Mint NH 25¢ Black Color Omitted Error PSE Certificate * Stuart Katz
37653
$141.00
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1858, MNH 18¢ Large Misperf Freak Error Sheet of 100 Stamps * Stuart Katz
37635
$935.30
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1474a, Mint NH 8¢ Black Color Omitted Error PSE Certificate * Stuart Katz
37642
$338.40
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1547c, Mint NH 10¢ Green Color Omitted Error Crowe Certificate * Stuart Katz
37648
$376.00
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1894b, Mint NH 20¢ Imperforate Between Error PF Certificate * Stuart Katz
37650
$376.00
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1934b, MNH 18¢ Brown Color Omitted Error PFC Certificate * Stuart Katz
37645
$150.40
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2178, Misperfed Sheet of 100 17¢ Stamps Remarkable Error! * Stuart Katz
37636
$705.00
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1370b, Mint NH 6¢ Black Color Omitted Error PSE Certificate * Stuart Katz
37654
$258.50
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C22, Mint NH VF 50¢ Airmail Plate Block * Stuart Katz
37483
$79.00
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947, Mint NH 3¢ Superb With PSE Graded 98 Certificate * Stuart Katz
37473
$45.00
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C16, Mint LH VF 5¢ Airmail Plate Block CV $75 * Stuart Katz
37487
$40.00
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577, Mint NH 2¢ Superb GEM With PSE Graded 100J Certificate * Stuart Katz
37454
$95.00
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267, 267a (pink) VF NH PL# Strips of Three VERY FRESH! * Stuart Katz
37490
$295.00
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949, Mint NH 3¢ Superb With PSE Graded 98 Certificate * Stuart Katz
37474
$80.00
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982, Mint NH 3¢ Superb With PSE Graded 98 Certificate * Stuart Katz
37466
$45.00
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PS8, Mint NH VF/XF 25¢ Postal Savings Stamp - Stuart Katz
37161
$40.00
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952, Mint NH 3¢ Superb With PSE Graded 98 Certificate * Stuart Katz
37470
$50.00
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939, Mint NH 3¢ Superb With PSE Graded 98 Certificate * Stuart Katz
37472
$55.00
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RARE Inverted Jenny USPS Collector's Limited Edition Set SEALED - Stuart Katz
37634
$1,295.00
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Lucy Stone 50 Cent Sheet of 100 Postage Stamps Scott 1293
37452
$109.95
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4853, PSA Fireworks Coil Roll of One Hundred Stamps - Stuart Katz
37626
$125.00
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C20, Mint NH VF 25¢ Airmail Top Plate Block * Stuart Katz
37486
$25.00
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Mountain Flora Genuine Booklet of 20 First Class Stamps Scott 5675a
37796
$21.51
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315, Mint XF NH 5¢ Imperforate Pair - A GEM! - Stuart Katz
37175
$1,400.00
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452, Used 1¢ Coil Pair XF/Superb - With Graded 95 PSE Certificate - Stuart Katz
37268
$400.00
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Errors,Freak,Oddities Stamp Mint Perf Error With Normal - #1731
37111
$9.39
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537, Mint FVF NH 3¢ Top Plate Block of Six - Stuart Katz
37254
$225.00
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4002, MNH 24¢ RARE Misperforated Error Coil Pair - Stuart Katz
37330
$89.30
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525, Mint NH 1¢ Misperforated Error Pair - Stuart Katz
37331
$28.15
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2087, MNH 20¢ Huge Perf Shift Error Margin Pair * Stuart Katz
37118
$47.00
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483, Mint XF NH 3¢ Imperforate Block of Four - Stuart Katz
37339
$75.00
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618, Mint VF NH 2¢ Plate Block of Six Stamps - Stuart Katz
37245
$65.00
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1338Fp, MNH 8¢ Green Slate Color Omitted Major Error With PFC Cert Stuart Katz
SK-28961
$329.00
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2540b, Mint NH $2.90 Black Color Omitted Error With Normal -- Stuart Katz
37170
$559.30
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483, Mint XF NH 3¢ - Imperforate Pair - Stuart Katz
37334
$45.00
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1735, MNH 15¢ Large Perforation Shift Error Pair With Gutter - Stuart Katz
SK-27964
$28.15
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C24, Mint VF NH 30¢ Top Plate Block of Six Stamps - Stuart Katz
37239
$85.00
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PS8, Mint NH VF 25¢ Postal Savings Block of Four CV $144 * Stuart Katz
37169
$100.00
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RW72, Mint VF NH $15 Duck Gutter Pair - Stuart Katz
37130
$49.95
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513, Mint XF/Superb NH 13¢ - With PSE Graded 95 JUMBO Certificate - Stuart Katz
37040
$300.00
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4131, Mint 41¢ Flag Stamp With HUGE Color Shift Error - Stuart Katz
37220
$37.60
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4391, Mint 44¢ Flag Stamp With HUGE Color Shift Error W/Normal - Stuart Katz
37221
$37.60
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2045a, Mint VF NH Red Color Omitted Error With Normal - Stuart Katz
37219
$112.80
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913 Var VF NH Red Over Black Only Reverse Printing Error - Stuart Katz
SK-26101
$89.30
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292, Used VF $1 Cattle in Storm - Pretty Stamp! - Stuart Katz
36916
$650.00
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Lady Liberty and U.S. Flag Sheet of 20 First Class Stamps
37205
$28.15
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RW83, Mint VF NH $25 RARE Duck Sheet of 20 Stamps - Stuart Katz
36918
$1,695.00
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531, Mint NH 1¢ Superb Pair With Arrow - Stuart Katz
36821
$60.00
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535, Mint NH - Superb Left Arrow Block - Stuart Katz
36811
$99.00
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483, Mint NH -VF Left Side Arrow Block CV $96 - Stuart Katz
36816
$79.00
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240, Used VF 50¢ Columbian - Light Cancel - Stuart Katz
36794
$175.00
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343, Mint NH 1¢ Superb Pair With Arrow - Stuart Katz
36822
$30.00
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244a, Used $4 VF/XF With CDS "Lynn, MA" Cancel With Graded PFC Cert Stuart Katz
36892
$1,250.00
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O101, Mint VF LH 12¢ Official Stamp - Stuart Katz
36891
$190.00
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R45a, Used 25¢ Revenue - Extra Fine GEM - Stuart Katz
36887
$59.00
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1509a, Mint NH 10¢ Flag Imperforate Between Error Pair - Stuart Katz
37192
$37.55
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BK63, 37¢ Complete Booklet in Fine Condition CV $225. - Stuart Katz
36898
$99.00
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2280c, MNH 25¢ Imperforate Coil Strip of 80 Stamps 2X PL# 7 CV $1500 Stuart Katz
36746
$893.00
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2154, Mint NH 22¢ With Perforation Shift Error - Stuart Katz
36861
$23.50
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1473, Mint Large Misperforated ERROR Sheet of 50 Stamps - Stuart Katz
36875
$611.00
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291, Used VF 50¢ Trans Mississippi ** Stuart Katz
36998
$190.00
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238, Used VF Light Cancel 15¢ Columbian * Stuart Katz
36990
$95.00
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299, Used VF 10¢ Pan American - Ship - Stuart Katz
36963
$30.00
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327, Used VF/XF 10¢ Louisiana Purchase * Stuart Katz
36968
$50.00
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289, Used VF GEM 8¢ Trans Mississippi -- Stuart Katz
37004
$40.00
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1852, 9¢ Misperfed Error Top Margin Pair Mint NH - Stuart Katz
SK-27444
$23.45
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239, Used F-VF 30¢ Columbian * Stuart Katz
36995
$60.00
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239, Used VF 30¢ Columbian ** Stuart Katz
36996
$140.00
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291, Used FVF 50¢ Trans Mississippi - Stuart Katz
37001
$120.00
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238, Used XF Light Cancel 15¢ Columbian * Stuart Katz
36989
$250.00
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290, Used VF GEM 10¢ Trans Mississippi - Stuart Katz
37005
$30.00
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327, Used Superb 10¢ Louisiana Purchase * Stuart Katz
36967
$250.00
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US Victory Mint NH 2¢ Sheet of 100 Postage Stamps Scott 907
37020
$14.95
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774, MNH 3¢ Boulder Dam Sheet of 50 Postage Stamps * Stuart Katz
37035
$19.95
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777, MNH 3¢ Rhode Island Sheet of 50 Postage Stamps * Stuart Katz
37031
$19.95
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2345, Mint NH - TEN Copies of 25¢ Virginia Stamps - Stuart Katz
36745
$9.95
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644, Mint F-VF+ Wholesale Group of 47 Stamps CV $246.75 - Stuart Katz
36688
$75.00
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1408, Mint NH 6¢ Misperfed Error * Stuart Katz
35577
$18.75
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1471a, Mint VF NH 8¢ Pink Color Omitted Error With Normal * Stuart Katz
35737
$75.20
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1910, Color Shift ERROR - 18¢ American Red Cross - Mint NH - Stuart Katz
36270
$23.50
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K10, Mint VF NH 20¢ Top Plate Block of Six CV $1300 * Stuart Katz
36356
$750.00
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2108, Mint NH 20¢ Misperfed Error Stamp * Stuart Katz
35611
$23.50
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2041, Mint NH 20¢ Misperforated Error Complete Sheet of 50 - Stuart Katz
36340
$935.30
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C11, Mint LH 5¢ Low Flying Plane Variety RARE Error - Stuart Katz
36335
$376.00
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C11, Mint NH 5¢ Color Shifted Well To The Left Error - Stuart Katz
36334
$141.00
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Scott 2482 $2 Bobcat Full Sheet of 20 Stamps Mint NH - Stuart Katz
SK-19175
$49.95
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Missile Mail Very RARE Sample Cover Only 100 Made! - Stuart Katz
36329
$300.00
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2014, Mint NH 20¢ HUGE Color Shift ERROR - Stuart Katz
36328
$70.50
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C11, Mint NH 5¢ MASSIVE Color Shift Error - Stuart Katz
36337
$470.00
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1610, Mint NH $1 Brown Color Omitted PSE Graded 98 Cert - Stuart Katz
SK-30763
$329.00
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2602, Mint 10¢ VF NH PL# 323333 In Strip of Five * Stuart Katz
35383
$115.00
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O124-25, Mint NH Scarce Official Mail Blocks of Four CV $710.00 - Stuart Katz
36324
$250.00
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631, Mint HR Pair - NO GUM BREAKER Variety - Stuart Katz
36315
$35.00
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330, Mint LH 5¢ Pocahontas Nicely Centered CV $150 - Stuart Katz
36290
$75.00
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1370b, Mint VF NH 6¢ Multiple Colors Omitted Error - Stuart Katz
36322
$305.50
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