Matt, the color on my monitor keeps changing and flashing, what is your synopsis of the metal composition of the coin? Gold, silver, copper or tin? What is the diameter? Is the edge reeded, plain, or inscribed? If you feel it is gold and the edge is plain, there may be a very good reason why the
TPG failed to make the call, it may be a contemporary counterfeit (which is not as bad as it sounds). Many earlier Thai coins were reproduced as religious tokens, and were struck in gold of the same consistency as the original, although the weight content may differ. It may also be a rare presentation piece struck as Royal gifts to VIPs.