Sale 284

Lot 1146

Envelope, 1978, 15¢ inverted surcharge at LL on 16¢ U.S.A. Error (U586d), mint entire, size 21, future U.P.S.S. #3621b-47, Extremely Fine, rare newly listed error with only six reported known from Jerry Summers (Ed. of upcoming U.P.S.S. catalogue).
Scott $450

Expertization: copy of letter of authentification.

Realized $475

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