Description O62 var (O56a) 1894 1d green Q Victoria overprinted "OS", perf 15, ERROR - "O.S." overprint double, fresh, very rare, listed but unpriced in Stanley Gibbons, quite possibly the only known mint example.
Quick view Add to Cart Australia / South Australia Scott 143V Gibbons 292 Never Hinged Stamp $1,000.00
Quick view Add to Cart Australia / South Australia Scott 96av Gibbons 188b Superb Never Hinged Proof Stamp $1,850.00
