The picture below shows larger views of both sides of this Old Metal Bangkok Thailand Advertising Souvenir Secret Compartment Elephant Necklace Pendant Charm. The pendant is not dated and the year that it was made is unknown. The maker is also unknown. It is made of a gold colored metal and it has two mounted red stones for eyes. One side has a spring activated panel that opens. It is marked on the two sides as follows:
BANGKOK THAILAND
The necklace pendant measures about 1-5/8'' x 1-1/4'' x 1/2''. It appears to be in mint condition as pictured.