unmounted mint Block Larger Than four 1930 1c-10p Railway Congress, 20c special delivery (373-385, E6), all in unused blocks of twenty-five except 10p which comprises blocks of ten and fifteen, full o.g., never hinged, some perf. separations, few pulled perfs. resulting in gum thinning which affects three of the 10p, usual gum bends, still vast majority very fine-extremely fine, Scott retail $ 6,014.00