Lot 711
711
unused Block of Four 6c-24c 1918 Air Post (C1-C3), blocks of four, 6c three stamps h.r., all others never hinged, single stained corner perf. tip on 16c, otherwise fine, Scott retail $1,120.00est.

Details
unused Block of Four 6c-24c 1918 Air Post (C1-C3), blocks of four, 6c three stamps h.r., all others never hinged, single stained corner perf. tip on 16c, otherwise fine, Scott retail $1,120.00est.