Blood & Co. Cover Group. 50 covers and a few fronts; including uncanceled 15L8 on 1847 cover to Baltimore, Md., 15L13 usages including local and to the post office including three 3¢ combinations, similar 15L14 usages showing various Blood's handstamps, mix of 15L15-17 usages, 15L18 includes two #26 combination usages, postmarks including scarce double circle date stamp in red, few stampless; condition varies, F.-V.F. overall. Estimate  $500 - 750. $0 (Image)