4¢ Columbian (233), Mint N.H. block of eight from bottom of left pane with "AMERICAN BANK NOTE COMPANY." imprint, letter "D" and "No. 18" plate number, exceptionally well-centered throughout, pastel color on fresh paper, stunning in every respect
William S. Floyd, Shreves Philatelic Galleries, 10/23-24/2001, lot 408, to William H. Gross
The Philatelic Foundation (1992)
Extremely Fine Gem plate block
SCOTT CATALOGUE VALUE (2019)
EXTREMELY FINE. A BEAUTIFUL MINT NEVER-HINGED PLATE BLOCK OF THE 4-CENT COLUMBIAN.
With 1992 P.F. certificate