Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 117
#C23a, 6c Dark blue and carmine, imperforate horizontally, guide line block of four, tied to piece by "Brooklyn, N.Y./May 15, 1938" slogan machine postmark, this being the day after the first day of issue, fine-very fine and quite unusual, used errors are unpriced in Scott; 1984 PF certificate. Cat. value $500
Sold for
$500