$1.90 Foreign Exchange imperforate (R80a), three large margins, clear to ample at R., pretty pastel true imperforate shade on thin hard paper, Apr. 15 (1863) ms. cancel, trivial tiny pinhole and tiny margin tear at T. (clear of the design), a very fine appearing example of this rare and seldom offered stamp, scarce this nice, Scott retail $3,750.00 photo