

Set of two stamps (used) 6 cents National Rubber Research Conference 1960 [map of Malaysia with rubber plant seedling], 30 cents International Rubber Study Group 15th Meeting Kuala Lumpur, issued in Malaysia 19 September 1960
Set of two stamps (used) 6 cents National Rubber Research Conference 1960 [map of Malaysia with rubber plant seedling], 30 cents International Rubber Study Group 15th Meeting Kuala Lumpur, issued in Malaysia 19 September 1960