Lot# 4594 - Auction 244-249
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Lot# : 4594 Panama
1930 (Feb 28): 1 b. dark violet & black, an unused block of four, unusually well centred with unmounted og. but slight bend, together with an imperforate block of four showing the overprint Proof in red printed on rough ungummed buff paper. Scarce Gi 239.Starting bid : 100 CHFHammer price : 100 CHF