Reference 14, Agriculture chapter, Rice Field Revenue Stamps by Wichakorn Shawanasak.

This is a reproduction of an article written by Wichakorn Shawanasak in the CAT Philatelic Magazine in September 2002, pg. 59-61. The copyrights belong to the original author.

The original article is written in Thai and can be seen below.

Wichakorn agri

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Below is the translation by Alan Cameron.

TR agri 2002 wichak

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