U.S. and Worldwide; Zemstvo
November 6-7, 2013 and November 13, 2013
| Images | Description | Current Bid |
 | Lot #1103 MARIENWERDER 1920 50pf violet and black, upper left corner margin single, n.h. (hinged in selvage), fine, signed Keiler, Kosack (Mi.17x) ** Catalog #28 Catalog Value €1,000 | Unsold |
