Lot 258
 
Envelope, 1887, 1¢ blue on blue (U299), mint entire, size 8, U.P.S.S. #893, well impressed embossing, bright color, fresh and choice Extremely Fine.
Scott $18,000
A TREMENDOUS RARITY, POSSIBLY NO MORE THAN TWO OR THREE EXIST.
Expertization: with 2000 P.F. certificate.
Provenance: Whittington, Schiller
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| Realized $10,500 |
