50c on 36c Columbia – Sparks Auctions
harbour grace – Sparks Auctions
Sparks Auctions – Page 10 – Sparks Auctions
Sparks Auctions – A Traditional Philatelic Auction House — Ottawa
Catalogue Archive – Sparks Auctions
Philangles Sale 398 by Philangles Ltd - Issuu
1936 COLUMBIA 50C MS, Coin Explorer
Sparks Auctions – A Traditional Philatelic Auction House — Ottawa
Lot 561 — Newfoundland 1930 50c on 36c olive green Columbia FFC
Sparks Auctions – Page 10 – Sparks Auctions
1936-S 50C Columbia (Regular Strike) Silver Commemorative - PCGS
1936 S COLUMBIA 50C MS, Coin Explorer
Philangles 382 Catalogue by Philangles Ltd - Issuu
Colombia – Sparks Auctions