Description:
 
Obverse
Lettering: สมเด็จพระเจ้าภคินีเธอ เจ้าฟ้าเพชรรัตนราชสุดา สิริโสภาพัณณวดี
Reverse
Lettering: 
พระชนมายุ ๘๐ พรรษา๒๔ พฤศจิกายน ๒๕๔๘
๒๐ บาท ประเทศไทย
Related Coins
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 Year: 2529 (1986) / Material: Nickel
10 Satang - Rama IX
Country: Thailand / Denomination: 10 Satang
				(0.1 THB) 
 Year: 2500-2501 (1957-1958) / Material: Bronze
1000 Baht - Rama IX (Gold Bond)
Country: Thailand / Denomination: 1000 Baht
				1000 THB = 30 USD 
 Year: 1951 / Material: Gold (.995)
2 Baht - Rama IX (Thai National Assembly)
Country: Thailand / Denomination: 2 Baht
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20 Baht - Rama IX (Police Nationale)
Country: Thailand / Denomination: 20 Baht
				20 THB = 0.60 USD 
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10 Baht - Rama IX (Graduation)
Country: Thailand / Denomination: 10 Baht
				(10 THB) 
 Year: 2522 (1979) / Material: Nickel
1 Baht - Rama IX (Trial Strike)
Country: Thailand / Denomination: 1 Baht
				1 THB = 0.030 USD 
 Year: 2493 (1950) / Material: Nickel
150 Baht - Rama IX (Graduation)
Country: Thailand / Denomination: 150 Baht
				(150 THB) 
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10 Baht - Rama IX (International Rice Award)
Country: Thailand / Denomination: 10 Baht
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