China 1952 STAMP set C14 unused

International Conference in Defence of Children

Technical details:

Scott No: 136-137
Serial number: C14
Values in set: 2
Date of issue: April 12, 1952
Denomination: 12 fen
Designer: Sun Chuanzhe
Size of stamps: 22*33mm
Perforation: 12.5
Sheet composition: 90(9*10)
Printing process: Offset
Printing House: Shanghai Huadong Revenue Printing Works

SN: (2-1)
Title: Flag, mother's hand and children
Value: 4 fen

SN: (2-2)
Title: Flag, mother's hand and children
Value: 8 fen