- stamp condition: hinge, margins(boardwalk), perforations ( pulled perfs), centering (EF or XF, VF, F, Avg), fresh, fine, gum ( part OG, DG, NG, RG), color, cancel
- rare expensive stamp--british Guiana one cent magenta $50000, second Blue Boy on cover
may 15 2011 ∞
jun 9 2011 +
jun 9 2011 +