Switzerland, 1950, 5c-70c U.N. European Office, Overprint varieties complete. The 6 complete sets of major varieties including "Curopean" in European (all left stamp in horizontal pair with normal), Broken 'O' and 'A' in Nations, 'U' and 'N' in European and 'F' in Office, o.g., fresh and Very Fine, catalog $1,925 in latest 2000 Amateur Collector catalog. Zumstein No. D VII 1-11I-VI. Scott No. 7O1-7O11 var.  Estimate $600 - 800. $0 (Image)