Lot 4337 S
1892, 1¢+1¢ Black on Buff, Overprinted "Universal Postal Congress", unsevered, perf 9.5 above reply, both the message and reply cards with black "Universal Postal Congress" overprint, Very Fine. Scott No. UY1SQ $600.USPCC No. MR1PSc $750.
Realized: $150