This 1868 1/2c black Scott #21, Perf 12, Large Queen stamp from Don's Classic Stamps is in Fine-Very Fine (F-VF) Used condition, with blue ink stains (See Images). The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of $70.00 (in Canadian currency) for this stamp. (Item #7297)