This 1908 5c blue Scott #99 "Champlain's Habitation" Quebec Tercentenary stamp from Don's Classic Stamps is in Fine-Very Fine (F-VF) Mint-No Gum (MNG) condition. The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format  in its listings, shows a Catalogue value of approx $97.50 (in Canadian currency) for a hinged/gummed stamp.  (Item #6981) 
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In the Don's Classic Stamps Ebay Store you will find an ever increasing selection of Canada Stamps and Covers. Therefore, shop often to have the best choice.