10c Green, Ty. III (15). Position 1L1, the misplaced relief B instead of A -- the only Type III corner position possible (others are Types I or II) -- huge margins including part of top left corner margin, tied by bold strike of "San Francisco Cal. 26 Jul." circular datestamp on buff cover to Baltimore Md., Very Fine, ex Wagshal, with 2010 P.F. certificate, we are aware of only one other example on cover from this position, which was offered in our Zoellner sale in 1998

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