This is a piece of white meat loop om created by Chao Khun Onn of Wat Prakchumchontam in years of 2554. It is made in a limited edition pieces which was beautifully engraved and had maintained in an unworn condition. diameter around 30mm come with original temple gold plated casing.
This piece shown, was engraved with full yants at behind loop om by Chao Khun Onn personally, which make it more unique. It is surely another good piece that highly sought by collector nowadays.