#RS226e 1¢ powder blue Dr. Soule Rare Experimental Silk Proprietary Revenue M&M

Third known example of the exceedingly rare #RS226e 1¢ strong powder blue shade of Dr. E.L. Soule & Co. wrapper, used (slits at L & R) on Experimental Silk paper, with embedded short blue & red silk fibers on front & back, unlisted in Scott.

A fantastic U.S. Private die proprietary revenue medicine wrapper rarity. 

Grab this beauty today!
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Note: Private Die Proprietary Revenue stamps were often torn in opening the m container. Values quoted in Scott are for F/VF examples that may be somewhat faulty, reasonably attractive, with faults usually not readily apparent on the face.