U.S. and Worldwide Stamps & Postal History; July 15, 2015: The Confino Collection of United States
July 8-9, 2015
| Images | Description | Current Bid |
 | Lot #1207 RUSSIA 1917 10r scarlet, green (instead of yellow) and gray, upper right sheet corner margin imperf. single, additional variety olive green groundwork inverted, minor h.r., marginal gum bends at top, stamp v.f., with Mikulski certificate stating that this is a genuine proof for the 10r stamp, background color in bright green was not accepted, also with APS certificate. A very rare (possibly unique) double error (green background instead of yellow, furthermore inverted) * Catalog #135a,var | Unsold |
