Before World War II, The Malay States were the world's largest producer of natural rubber. In an effort to increase the world price of rubber, restrictions were placed on the export of rubber. Rubber growers were issued Rubber Export Coupons based on the size their rubber plantation and the age of their trees. The coupons had to be turned in when the rubber was exported. The coupons became a form of currency in many rubber growing areas. The coupon states "This Coupon is Valid for the Export of 25 Katis of Dry Rubber until 31st December 1941". 25 Katis is equivilent to about 33 pounds (15 Kg.) of rubber.
Condition : AUNC
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