GEO. R. TUTTLE, NASSAU STREET NEW YORK CITY stamp dealer, offered famous philatelist / librarian HIRAM E. DEATS an 1861-66 12c mint strip of 4 with Plate Number 16 for $7.50 with this 1898 postal card.  If I understand my 2004 Scott Catalog correctly, #97 unused strip of four with plate number listed for $26,000.  If there is only one such strip documented, then the strip referred to on this card is the probably same one priced in the Scott Catalog.  This card would be an AWESOME addition to an exhibit featuring this incredibly rare philatelic gem. The shadows on this card are from me, and are not on the card.  Card front is very dark.