Watch List notes:

(x) Thailand (Siam), Rattanakosin, Rama IX {Phra Maha Bhumifhol Adulyadei} (1946-2016), 600-Baht, BE 2511 [1968], head of Queen Sirikit Kitiyakara, Commemorating her 36th Birthday, 15.30g, 1h, edge milled (KM Y.90; Fb. 27), choice uncirculated.

Estimate: £500 - £600