© Rahul Ghosal
 20 Baht - Rama IX Birthday
2542 (1999) year| Copper-nickel | 15.1 g | 32 mm | 
|   Issuer   |  Thailand | 
|---|---|
|   King   |  Bhumibol Adulyadej (Rama IX) (1946-2016) | 
|   Type   |  Circulating commemorative coin | 
|   Year   |  2542 (1999) | 
|   Calendar   |  Thai | 
|   Value   |  20 Bahts (20 บาท) 20 THB = USD 0.60 | 
|   Currency   |  Baht (1897-date) | 
|   Composition   |  Copper-nickel | 
|   Weight   |  15.1 g | 
|   Diameter   |  32 mm | 
|   Thickness   |  2.5 mm | 
|   Shape   |  Round | 
|   Technique   |  Milled | 
|   Orientation   |  Coin alignment ↑↓ | 
|   Updated   |  2024-10-08 | 
|   Numista   |  N#11381 | 
|---|---|
|   Rarity index   |  33% | 
Reverse
Emblem of the celebration: King’s royal cypher within chakra which is on Attatisa Utumpara Throne. The Great Crown of Victory and alphabet “U” on the above. Two white seven-tier umbrellas aside and a white nine-tier Umbrella on the top. Four lotuses and ray of light around the emblem. On the ribbon below is inscribed the ceremony’s name.
 Lettering: 
 มหามงคลเฉลิมพระชนมพรรษา ๖ รอบ ๕ ธันวาคม ๒๕๔๒
 ประเทศไทย ๒๐ บาท 
 Translation: 
 On the occasion of His Majesty the King's 6th Cycle Birthday Anniversary 5 December 1999
 Thailand 20 baht 
Edge
Reeded
Comment
MTO coins exist:- Coin struck on 26.8 grams gold planchet; PCGS #36017503.
- Coins struck on 27 grams gold planchet; PCGS #35832711, PCGS #80717469.
Interesting fact
The 20 Baht coin commemorating King Rama IX's birthday in 1999 features a unique design that showcases the king's image in a traditional Thai dress, surrounded by intricate patterns and designs that reflect Thai culture and traditions.
Price
| Date | Mintage | VG | F | VF | XF | AU | UNC | 
|---|---|---|---|---|---|---|---|
| 2542 (1999) | 30011 | - | - | - | - | - | - | 
Values in the table are based on evaluations by sales realized on Internet platforms. They serve as an indication only for 20 Baht - Rama IX (Birthday) 2542 (1999) coin.