Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2
Lot 711:
1979, Kluane National Park, ($2) multicolored, silver denomination and inscription omitted, block of four, full OG, NH, VF, Green Foundation certificate, C.v. $1,200, Unitrade C.v. CAD$1,600++, Est. $500-$600 , Sc. #727a
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