★ 9, 9A(3). 1884. 50 cts on 1 green cts, block of four (usual conservation). Variety ONE OVERLOAD STAMP, in black (the other three stamps, in blue). MAGNIFICENT AND UNUSUAL BLOCK OVERLOAD COLOR COMBINATION. GRAUS opinion.
Online Stamp Auction Spain and Colonies #104
Thursday, 13 April 2023 | 16:00
Lot 1269
Starting price
175€