Date : 7 October 1990
Purpose : To commemorative the International Letter Writing Week 1990
Design : Illustrates the drawings which won first prize in the painting compettition during International Letter
Writing Week 1989
2.00 Baht KHANOM CHO MUANG
6.00 Baht KHANOM LUK CHUP
Quantity : 10,000 cover
Printer : Leigh-Mardon Pty. Limited, Australia
Printing : Lithography
Process