45(18). 1855. 1 real blue-green, block of eighteen stamps. MAGNIFICENT AND EXTREMELY RARE, WITHOUT A DOUBT THE LARGEST KNOWN BLOCK, AND UNDOUBTEDLY ONE OF THE MOST IMPORTANT PIECES OF THE ISSUE. Cert. EXFIMA.
Online Stamp Auction Spain and Colonies #129
Thursday, 19 February 2026 | 15:00
Lot 238
Starting price
450€
Starting price 450€
Illustrative price in other currencies
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$ 536
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£ 390
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CHF 423
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