VERY FINE. THE RARE SE-TENANT PAIR OF THE UNISSUED 1956 AIR POST SURCHARGE.
Unlisted in either Scott or Yvert. With 2006 Calves and 2019 Roumet certificates. Maury (2010-2011) value
FINE-VERY FINE. A CHOICE NEVER-HINGED SET OF THE 1920 ROYAL WEDDING SEMI-POSTAL. ONE OF THE KEY SETS OF MONACO.
The 5fr is notorious for being off-centered, so much so that Yvert gives a 25% surcharge for well-centered. 5fr signed A. Brun and with 2008 Behr certificate. Yvert €13,900 (not factoring in premium for centering)