Work of Thai Scales Company Limited, Nakhon Pathom, gray color, 10 mm.

Work of Eng & T Content Co., Ltd. (Sam Phran Branch) Nakhon Pathom, grey.

Work Phitsanulok Province PN24-PN06

Chiang Rai work, gray color

Work from Buachet Wittaya School, color AJ9

Bangkok Assay Office work, color AH9 Bang Bua Thong