This 1970 Se-Tenant Block of 4 25c Scott #511a stamps from Don's Classic Stamps is in Very Fine (VF) Mint Never Hinged (MNH) condition. The Unitrade Specialized Catalogue of Canadian Stamps (which uses the Scott numbering system) shows a Catalogue value of (approx) $12.50 for these stamps. (Item #3485)
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.