N‑headed serial‑number stamp series issued by China Post.
中华人民共和国国邮票（编号邮票）
N78-81/编号邮票78-81, Industrial Products《工业产品》 Stamp Title: Industrial Products Serial number: N78-81 Values in set: 4 (4-1), Industrial Products, 8 fen, 60*27 mm (4-2), Industrial Products, 8 fen, 60*27 mm (4-3), Industrial Products, 8 fen, 60*27 mm (4-4), Industrial Products, 8 fen, 27*60 mm Date of issue: November 23, 1974 Denomination: 32 fen Designer: Yang [...]
N82-85/编号邮票82-85, Barefoot doctor《赤脚医生》 Stamp Title: Barefoot doctor Serial number: N82-85 Values in set: 4 (4-1), Vaccinate, 8 fen, 40*30 mm (4-2), Visiting a patient at home, 8 fen, 30*40 mm (4-3), Picking herbs, 8 fen, 30*40 mm (4-4), Treating, 8 fen, 40*30 mm Date of issue: June 26, 1974 Denomination: 32 fen Designer: [...]
Stamp Title：Historical Relics Unearthed During Culture Revolutionary Serial number: N66-77 Values in set: 12 (12-1), Flat pot of bule and white porcelain with style of head of phoenix, 4 fen, 31*38.5 mm (12-2), Gold-plating silver pot, 4 fen, 31*38.5 mm (12-3), Black color horse(tricolor-glazed pottery), 8 fen, 31*38.5 mm (12-4), Clay tomb figure, [...]
N95/编号邮票95, Chinese Export Commodities Fair《中国出口商品交易会》 Stamp Title: Chinese Export Commodities Fair Serial number: N95 Values in set: 1 (1-1), The complex of Chinese Export Commodities Fair, 8 fen, 60*27 mm Date of issue: October 15, 1973 Denomination: 8 Designer: Yang Baizi Size of stamps: 60*27mm Perforation: 11 Sheet composition: 40(5*8) Printing process: Photogravure [...]
Stamp Title: Modern Revolutionary Ballet - the White-haired girl Serial number: N53-56 Values in set: 4 (4-1), Xi Er - the daughter of poor peasant Yang Bailao, 8 fen, 31*38.5 mm (4-2), Expecting the sun rises in the east, 8 fen, 38.5*31 mm (4-3), Pouring out the indignation, 8 fen, 38.5*31 mm (4-4), [...]