A ROC Great Wall design Revenue stamp engraved 1c violet brown on thick card proof, with described character ‘YUNNAN’ (??) with adhesive on back. Est. HK$2,000-3,000 (Image1)

Est. HK$2,000-3,000

1930’s Junk domestic postal card indicium, typographed proof, 2c brown (measures 23 x 25 mm.), printed on buff paper (59 x 86mm.), never hinged, very fine and scarce. Est. HK$600-700 (Image1)

Est. HK$600-700

1930’s Junk domestic postal card indicium, typographed proof, 2c light blue (measures 23 x 25 mm.), printed on white paper (39 x 70 mm.), never hinged, very fine and scarce. Est. HK$600-700 (Image1)

Est. HK$600-700

1930’s Junk domestic postal card indicium, typographed proof, 2c turquoise blue (measures 23 x 25 mm.), printed on buff paper (61 x 86 mm.), never hinged, very fine and scarce. Est. HK$600-700 (Image1)

Est. HK$600-700

1945 Trial Proof of Chairman Lin Sen, issued by American Bank Note Company, card size 115 x 128mm, showing the portrait of Chairman Lin Sen at the center, black colour on white card, with serial number V-86253, fine. Est. HK$1,500-1,800 (Image1)

Est. HK$1,500-1,800