1. 1850. 6 cuartos black (I-10). Postmark "A", red fertilizer stamp from Oviedo. MAGNIFICENT AND EXTRAORDINARILY RARE. Cert. GRAUS. (Pre-philatelic letter included for mark comparison).
Online Stamp Auction Spain and Colonies #129
Thursday, 19 February 2026 | 15:00
Lot 103
Starting price
650€
Starting price 650€
Illustrative price in other currencies
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$ 775
-
£ 564
-
CHF 610
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