This is the rare carmen lake and dark blue (#573a) variety. This crisp block has characteristic rich colors, FULL wide top selvage, glistening gum, outstanding centering. The item "US #573a BLOCK of 4 w Arrow & $5 Imprint MINT NH XF" is in sale since Sunday, March 19, 2017.This item is in the category "Stamps\United States\1901-40\ Unused". The seller is "sportcardperson" and is located in La Honda, California. This item can be shipped to United States.