U.S. & Worldwide Stamps & Postal History; The David Mace Collection of U.S. Stamps
April 24-25, 2018
| Images | Description | Current Bid |
 | Lot #1121 GERMANY 1921 20m indigo & green, green background inverted, lower left sheet corner margin block of four showing "Oben" in green inverted, h.r., v.f., scarce positional block, signed Dr.Oertel,  *Catalog #155a Catalog Value $760 | Price Realized $240.00 |
 | Lot #1122 GERMANY 1921 20m indigo & green, green background inverted, upper right sheet corner margin block of four, n.h., v.f., signed Zierer, **Catalog #155a Catalog Value $2,700 | Unsold |
 | Lot #1123 GERMANY 1921 20m indigo & green, green background inverted, l.h., also surcharged 1000m sheet margin single n.h., both v.f., signed Dr.Oertel, etc., */** Catalog #155a,B7b Catalog Value $515 | Unsold |
