One-baht_coin
The one-baht coin is a denomination coin of the Thai baht, the Thai currency unit.
Like all coins in Thailand, its obverse features the King of Thailand, Vajiralongkorn, and previously Bhumibol Adulyadej. The newest set of coins features King Vajiralongkorn's royal monogram on the reverse side while the coins of the previous set featured Wat Phra Sri Rattana Satsadaram or Wat Phra Kaew, the royal temple in Bangkok's Grand Palace complex.
It is commonly called rian baht (Thai:เหรียญบาท) by Thai speakers (rian meaning "coin" in Thai).