1893年上海工部欠資郵票; 一分,棕及黑色,無齒版票,無水印,在左邊紙上有30/5/94記號及廠銘,微皺,不失為罕有版票.Municipal Posts Shanghai Later Issues — 1c. brown and black, a complete imperforate proof sheet on gummed, unwatermarked paper, with manuscript date in left margin " 30/5/94" along with printers grid lines; a couple of vertical creases and some light ageing. A scarce sheet. Photo<pr>