This 1868 1/2c black Scott #21, Perf 12, Large Queen stamp, with a LONDON, ONTARIO 1879 cancel, from Don's Classic Stamps is in Fine+ (F+) Used condition, with shallow thinning around the word "Cents" at bottom; hinge remnant and several notations (See Images). The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of approx. $50.00 (in Canadian currency) for this stamp. (Item #8273)