Exceptional Salem, Massachusetts Envelope Postage Stamp Envelopes. Browning & Long, Salem, Mass. 25 CTS. Stamps. Choice Uncirculated. KL 80-25. Plate Envelope. White paper. Blue printing, face only. Heraldic eagle at center between titles and texts. Stunning piece and not listed prior to the Ford sale. Not only is this the highest rarity. But the condition exceptional. Another museum piece. Provenance: From Stack’s Ford Part XIX, October 11, 2007, Lot 2; F.C.C. Boyd Estate. Sold for $3737 in Stacks Auction in 2011. Check out all the great US Coins, Paper Money, Ancients, World and Exonumia at Sarasota Numismatics. We are happy to answer any questions about this or anything in our vast inventory.