U.S. & Worldwide Stamps & Postal History; The David Mace Collection of U.S. Stamps
April 24-25, 2018
| Images | Description | Current Bid |
 | Lot #1512 MEXICO 1915 1p brown & black, center inverted, two copies, each with center shifted, l.h., fine-v.f., * Catalog #513a Catalog Value $400 | Price Realized $250.00 |
 | Lot #1513 MEXICO 1915 1p brown & black, center inverted, perf. and imperf. examples, h.r., v.f., * Catalog #513a Catalog Value $400 | Price Realized $240.00 |
