EXTREMELY FINE. A BEAUTIFUL MINT NEVER-HINGED EXAMPLE OF THE $2.60 GRAF ZEPPELIN ISSUE WITH THE GRADE OF XF-SUPERB 95.
With 2005 P.S.E. certificate (XF-Superb 95)
VERY FINE AND CHOICE. AN EXCEEDINGLY RARE MULTIPLE OF THE 16-CENT RED & BLUE AIR POST SPECIAL DELIVERY IMPERFORATE HORIZONTALLY.
Datz states that 10 pairs are reported. There is also the unique plate block of six, which realized $40,000 in 1997, and a block of four, which realized $8,000 in our Sale 826.
With 1970 P.F. certificate. Scott Retail as Mint N.H. pair, with no premium for the third stamp.