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Phra Ratchamuni Samiram Khunupamachan (Luangpu Thuat) Wat Chang Hai, Changwat Pattani. Known to Buddhist as "Luang Pu Thuat: Desalinate Salt Water in a Step," Luang Pu Thuat was born at Tambol Deluang, Amphoe Sating Phra, Changwat Songkhla on March 3, 1582(B.E.2125) and died on March 6, 1682(B.E.2225). He is very wise with Buddhist knowledge. Many people believe that he has performed many miracles when he live and even after he passed away.
Source: http://www.siamstamp.com/catalogue/index.php?id=780