A fine mint OG example of the 12c deep grey black Old Quebec Citadel stamp from the 1930-1935 Arch Issue. Vertical wove paper with fine vertical mesh and cream gum with a satin sheen. Unitrade values a F-65 OG single at $15. The stamp offered here grades F-70 OG as follows: Margins/centering: 40/70 Paper freshness: 5/5 Colour: 5/5 Impression: 5/5 Absence of visible paper flaws: 5/5 Perforations: 10/10 Note any vertical line shown in the scan is the edge of the acetate strip that the stamp was resting inside on the stockcard. .