Queen Sirikit's 7th cycle (=84тый) birthday. Purple. Спереди: Royal Garuda emblem; Bhumibol Adulyadej (Rama IX) wearing in the Royal House of Chakri gown. Сзади: Royal Garuda emblem; royal family; standing Queen Sirikit examining Royal Folk Arts and Crafts Center products; seated Queen Sirikit wearing Thai Boromphiman costume; Khon performance; Lygodium products; Queen Sirikit Cattleya and Queen Sirikit Rose flowers. Holographic stripe. 4-mm wide green-to-gold RollingStar Cube windowed security thread with demetalized 500 บาท. Watermark: Rama IX and electrotype๕๐๐. Signature 87: Mr. Apisak Tantivorawong Dr.Veerathai Santiprabhob.