Thailand Satang

25 Satang, 1990

Metal: aluminium bronze
Ruler: Rama IX
Date: 2533 BE= 1990AD
Diameter: 16mm
Weight: 1.9gm
Reverse: Wat Phra Mahathat, which contains a tooth relic of Buddha

50 satang, 1980

Metal: aluminium-bronze
Ruler: Rama IX
Date:2523 BE=1980 AD

The satang is 1/100th of a Baht so 50 satang=1/2Baht and 25 satang = 1/4 Baht.