Ajahn Chalermchai
This is not a practicing Ajahn. Chalermchai is actually a very famous designer or artist that brought us the famous White Temple or Wat Rong Koon in Chiang Mai.
He also known be have produced quite a few batches of amulets for charity purposes. And would personally design these batches including this Jàtukam Ramathep.
His batches are all consecrated in proper and big ceremonies.
This batch of Jàtukam also contains materials used for the original batch of Wat Mahathat which is very expensive now.