4. 1850. 6 reales blue (very slight light spot of no importance). ONCE FILED pre-philatelic postmark, in Sevilla blue and "PP", in red without being able to determine its origin. MAGNIFICENT AND VERY PROBABLY UNIQUE PIECE. Cert. THANKS.
Online Stamp Auction Spain and Colonies #106
Tuesday, 30 May 2023 | 16:00
Lot 167
Starting price
375€