Lot# 4255 - 173-176 Auction
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Lot# : 4255 Netherlands
1921: Marine Insurance (Brandkastzegels), Proof in un-issued colour of blackish-blue imperforate on small sheetlet for 7½ g. value, colour as used for 1 g. 50 c., overprinted 'MONSTER' (Specimen) in violet. Slight vertical crease but rare Van Dieten B6b.Starting bid : 300 CHFHammer price : 1,100 CHF