Auction: 14USA - Spink Shreves September 2008 Collector's Series
Lot: 1730
#TD19, Red testing stamp, imperforate, left sheet-margin block of eighteen (2x9), with a portion of the adjoining stamps at top, bright color, with ms. note in margin dated June 2, 1917 ""First impression taken from Rotary Press Intaglio of experimental Plates for Printing Postage Stamps,..."", some creasing, very fine appearance; an essential item for the testing coil special Estimate US$ 400-475
Estimate
$400 to $475