Silver Thai Coin/Medal Com' For ID Marked: Weigand &kullrich

Just to add. Weight of lid is 39g including added rim, diameter of coin is 35mm

Got it!
LOL, funny how you can't find things until you post them online!
"Urcaquary 1886, Thailand, Rama V. Magnificent Heavy Silver Medal. On Prince Maha Vajirunhis & the River Bathing Ceremony. Condition: AU+ State: Thailand (Siam) Mint Year. 1886 (CS1248) Medallists: Weigand and Küllrich (Germany) Type: Crown Prince Vachirunahit Commemorative Medal Weight: 29.91gm Diameter: 37mm Material: Silver Obverse: Spire-crowned bust of the young Crown Prince ¾ left. Reverse: Palace façade of the multi-spired shrine on a ponton. CS date 1248 below. Crown Prince Maha Vajirunhis (Somdet Phra Boromma-orasathirat Chao Fa Maha Vajirunhis Sayammakutratchakuman, June 27, 1878 - January 4, 1895) was the first Crown Prince of the Chakri Dynasty. He was the first son of King Chulalongkorn and Queen Savang Vadhana. In 1886, after the death of the last Vice King Bovorn Vichaichan, King Chulalongkorn chose not to appoint one of his brothers as a new Vice King, but instead appointed his eldest son as the Crown Prince of Siam. On 14 January 1886 he was officially introduced to his position with the title of Sayam Makutrajakuman or Crown Prince of Siam. A bright and handsome child the Prince died unexpectedly of typhoid at age 17, long before he could reach the throne. King Chulalongkorn's second son, Prince Vajiravudh was then named crown prince, and succeeded him as Rama VI in 1910. The King build the Prince his own Palace, nicknamed "Windsor", the European style palace was demolished after his death, the site is currently the National Stadium of Thailand. Authenticity unconditionally guaranteed. Bid with confidence! Phra Bat Somdet Phra Poramintharamaha Chulalongkorn Phra Chunla Chom Klao Chao Yu Hua (Thai: ? ?), or Rama V (20 September 1853 -- 23 October 1910) was the fifth monarch of Siam under the House of Chakri. He was known to the Siamese of his time as Phra Phuttha Chao Luang (? - The Royal Buddha). He is considered one of the greatest kings of Siam. His reign was characterized by the modernization of Siam, immense government and social reforms, and territorial cessions to the British Empire and French Indochina. As Siam was threatened by Western expansionism, Chulalongkorn, through his policies and acts, managed to save Siam from being colonized. All his reforms were dedicated to Siam's insurance of survival in the midst of Western colonialism, so that Chulalongkorn earned the epithet Phra Piya Maharat (? - The Great Beloved King)."