Description O1-2 (O123-24) 1931 2d-3d Southern Cross above Hemispheres (Kingsford-Smith issue), overprinted "OS" SG Type O4, unwmkd, perf 11, cplt (2).
Quick view Add to Cart Australia Scott O1-O2 Gibbons O123-O124 Superb Never Hinged Set of Stamps $900.00