$1-$20 Bright Green

Set of Seven T. Pl. # and Arrow Blocks of 12, unused as issued, these stamps are without overprints, each denomination has a different plate number, each block has selvedge engraved with "CS", all are fresh and Extremely Fine, sets of imperforate pairs from this issue are fairly common but large multiples are not and this is the only set known as plate blocks of 12, a most amazing showpiece group and the only time we have ever seen these offered, (ENV 5,000-7,500)