unused 3c Columbian (232), complete sheet of 100, with two B. plate no. 57 blocks of eight, fresh bright color, full o.g., remarkably fresh & intact, side margin & T. row with very tiny hinge reinforcements, one natural s.e. stamp has small thin, the other 90 stamps incl. both plate no. blocks are never hinged, overall a fine-very fine sheet incl. many very well-centered extremely fine stamps, Scott retail $11,255.00+