Thailand, 1972 AD., Rama IX, prince Vajiralongkorn Investiture commemorative, 1 Baht, KM Y 97.

Thailand, Rama IX (Phra Maha Bhumibol Adulyadej, 1946-...), prince Vajiralongkorn Investiture commemorative, dated BE 2515 (1972 AD.),
1 Baht (27 mm / 7,52 g), copper-nickel, mintage 9.000.000 , reeded edge,
Obv.: Thai legends, young head of prince Vajiralongkorn l.
Rev.: Thai legends, crowned monogram, value and denomination below: ๑ บาท (one Bath), BE-year 2515: พ.ศ ๒๕๑๕ at right edge.
KM Y 97 .