△ 1A. 1850. 6 black cuartos (on a fragment of the period in order to make it more attractive). LUMBIER / NAVARRA pre-philatelic postmark, in red. MAGNIFICENT AND RARE. Cert. GRAUS. (pre-philatelic letter is attached for brand comparison).
Online Stamp Auction Spain and Colonies #113
Thursday, 7 March 2024 | 15:00
Lot 166
Starting price
375€