unused Block Larger Than four 2c Deep Rose type Ia (500), T. plate no. F10209 block of six, exceptionally fresh crisp and intact, reasonably well-centered for this notoriously poorly-centered stamp, five stamps never hinged, other lightly hinged, selvage reduced to just touching plate no., fine+ example of this very scarce and challenging plate no. block, with 1970 P.F. certificate, Scott retail $1,850.00 (Scott retail for five never hinged and one hinged stamps $1,980.00) photo