1977 - 1 baht coin, the establishment of Phra Thep, unused

Commemorative coin, 1 baht, date of establishment of Phra Thep, year 1977, unused
details :

Front – is the image of Her Royal Highness Princess Maha Chakri Sirindhorn Her Royal Highness Princess Maha Chakri Sirindhorn Phra Angsa level turn his face obliquely to the right His Highness dressed in Thai costumes decorated with royal decorations. On the edge there is a message that says "Her Royal Highness Princess Maha Chakri Sirindhorn Her Royal Highness Princess Maha Chakri Sirindhorn"
On the back - is the monogram "Sor Tho" under the royal crown. On the left edge there is the message “December 5, 1977”, the right edge says “Thailand”, the bottom left has a number indicating the price. On the right side, it says “Baht”.
Diameter  25 mm
Weight  7 grams
Characteristics:  Round coin, smooth edge, numbered to indicate the order and purity of the metal.
Date of promulgation  28 March 1978
Price type  1 baht
ingredient :     
Ingredient name    percentage
nickel    25
copper    75
Source:  Treasury Department

Collection : Thailand 1 Baht Coins