U.S. and Worldwide Stamps & Postal History
May 5-6, 2015
| Images | Description | Current Bid |
 | Lot #207 BOLIVIA Air Post 1924 10c vermilion & black, center inverted, block of six, well centered, never hinged, fresh and v.f., with certificate. Only 50 examples of inverted center were printed, this being the only recorded block of any size, ex-Ortiz Patino collection (YT 124a, catalogue value for hinged singles)  **Catalog #C1a Catalog Value €27,000 | Unsold |
 | Lot #208 BOLIVIA Air Post 1935 Map of Bolivia, complete set of ten different large die proofs in issued colors, also a master die in brown (value tablet blank), each die sunk on full size card from the American Bank Note Company, last with natural inclusion, fresh and v.f., rare P Catalog #C42-51P | Price Realized $2,300.00 |
