20 baht coin, ASEAN Environment Year 1995, not used

20 baht coin commemorating the ASEAN Environment Year 1995 unc 
details :

Front – in the middle of the coin is a portrait of His Majesty King Bhumibol Adulyadej. and the image of Her Majesty Queen Sirikit Her Majesty the Queen turn his face to the right His dress casually on the left side has the monogram "Por Por" under the Phra Maha Mongut. On the right side is the monogram "Sok" under the royal crown.
The reverse – center of the coin has the symbol of the ASEAN Environment Year. On the top there is the message "Thailand". Along the edge of the coin above there is the message “ASEAN Year of the Environment 1995” below is a text telling the price in Thai numerals and the word “Baht”, Arabic numerals and the word “BAHT”.
diameter 32 mm
Weight 15 grams
The shape of the coin is round, the outer edge has smooth alternating gears.
Date of promulgation 8 November 1995
Price type 20 baht
ingredient :

 25 percent nickel
Copper  75 percent
Year of manufacture:  1995

Production amount :  1,000,011
Source :  Treasury Department

Collection : Thailand 20 Baht Coins