United Nations Conference on the Human Environment, Stockholm

Date of Issue: June 05, 1972
Size of stamp: 26.00 x 36.00 mm
Size of print: 23.00 x 33.00 mm
Perforation: 12.5 x 14C
Sheet Contents: (10 x 5) 50 stamps
Denomination: 20p
Printing Process: Litho Offset
Colour: Ultramarine blue, chrome orange, purple and black
Quantity: 10,00,000
Designer: Rafi-ud-Din
Printer: Pakistan Security Printing Corporation, Karachi