unused 7c Vermilion I grill (138), unused, full o.g., post office fresh, remarkably fresh bright color and a sharp clear impression on very fresh crisp paper, complete prominent I grill, only the barest trace of hinging, really trivial tiny corner perf. crease at T.R., otherwise extremely fine, very scarce this nice, with photocopy of 1976 P.F. certificate for a block of four of which this was the T.R. stamp, Scott retail $2,100.00 photo