20 baht coin commemorating 50 years of Royal Rainmaking year 2005 Unused condition (unc) details : Front – in the middle of the coin is a portrait of His Majesty King Bhumibol Adulyadej. turn his face to the right His robes are universal. He held a camera on the Buddha’s neck. His right hand holds a pencil. His left hand holds a map. In the background, there are fields, mountains, clouds, and two planes scattering the royal rain. Inside the edge of the coin on the right is the message: “His Majesty King Bhumibol Adulyadej” on the left has the inscription: “Father of Fon Luang” with a picture of an airplane between the said text.On the reverse side – in the middle of the coin there is a symbol of a special royal rain wing which has a radiance around it. Inside the rim of the coin above, there is the message “50th Anniversary of Royal Rainmaking, 14 November 2005”, the lower part has the message saying the price “20 baht” and the message “Thailand” respectively, with round dots between the text above and below both. two sidesdiameter 32 mmWeight 15 gramsThe shape of the coin is round, the outer edge has smooth alternating gears.Date of promulgation 14 September 2006Price type 20 bahtingredient :  25 percent nickelCopper  75 percentYear of manufacture :  2006 Production amount :  3,000,000Source :  Treasury Department