China 1977 STAMP set J13 mint

1st Anniv. of Death of Comrade Zhou Enlai, a Great Proletarian Revolutionary and Outstanding Communist Fighter of Chinese People

Technical details:

Scott No: 1303-06
Serial number: J13
Values in set: 4
Date of issue: January 8, 1977
Denomination: 32 fen
Designer: Lu Tianjiao
Size of stamps:
31*52mm for Value 1, 2;
52*31mm for Value 3, 4
Perforation: 11.5
Sheet composition:
40(10*4) for Value 1, 2;
40(4*10) for Value 3, 4
Printing process: Pphotogravure
Printing House: Beijing Postage Stamp Printing Works

SN: (4-1)
Title: Portrait of Zhou Enlai
Value: 8 fen
Size: 31*52 mm

SN: (4-2)
Title: a Great Proletarian Revolutionary and Outstanding Communist Fighter
Value: 8 fen
Size: 31*52 mm

SN: (4-3)
Title: Comrade Zhou Enlai and Workers in Daqing
Value: 8 fen
Size: 52*31 mm

SN: (4-4)
Title: Comrade Zhou Enlai and Farmers in Dazhai
Value: 8 fen
Size: 52*31 mm