(★)1876. 20 cts black. BRADBURY AND WILKINSON PROJECT, made with "charcoal" by hand (instead of Indian ink) of the same art as those reviewed by Gálvez on page 32 in his Tests and Essays work. MAGNIFICENT AND VERY RARE.
Online Stamp Auction Spain and Colonies #114
Thursday, 9 May 2024 | 15:00
Lot 429
Starting price
450€