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One-baht coin

1 baht
Thailand
Value 1 Thai baht
Mass 3.0 g
Diameter 20.00 mm
Thickness 1 mm
Edge Reeded
Composition Cupronickel
75% Cu, 25% Ni
Years of minting 1986–present
Catalog number -
Obverse
1 baht obverse (2009).png
Design King Bhumibol Adulyadej
Designer Supab Aun-aree
Design date 2009
Reverse
1 baht reverse (2009).png
Design Wat Phra Sri Rattana Satsadaram, Bangkok
Designer Supab Aun-aree
Design date 2009

The one-baht coin is a currency unit of the Thai baht. It is commonly called rian baht (Thai:เหรียญบาท) by Thai speakers (rian meaning "coin" in Thai). Like all coins in Thailand, its obverse features King Bhumibol Adulyadej. Its reverse features Wat Phra Sri Rattana Satsadaram or Wat Phra Kaew, the royal temple in Bangkok's Grand Palace complex.

On February 2, 2009, the Treasury Department announced changes to several circulating coins. The composition of the one-baht coin changed from cupronickel to nickel-clad iron, reducing the mass from 3.4 grams to 3.0 grams. The obverse image has also been updated to a more recent portrait of the king.


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