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Identifying Paper Types of the B.M.A Malaya Overprint: Substitute, Chalk, and Thin Striated Paper

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Initially, chalk paper was the default paper type introduced as means to combat the re-use of stamps. The chalky coating used enabled ink, conveniently both the prints and postal markings, to adhere better to which re-use of stamps via removal of the cancellation would damage the stamp design. Due to war-time shortages during and after World War II, chalk paper was replaced by what is known as ‘ordinary paper’ as a substitute (hence, it was also known as substitute paper). Generally, this BMA Malaya series was seen in three paper types: a. Substitute paper / Ordinary paper b. Thin striated paper c. Chalk paper  The quickest way in identifying paper types, specifically in distinguishing between ordinary paper and chalk paper is by the silver scratch test. Upon scratching the surface of a chalk-coated paper with silver, a faint dull grey line will appear. This technique was mentioned in Stanley Gibbons' catalogue. However, it was also discredited since scratching the surface of the s