I just received these in the mail. All, Agua Caliente, Tijuana, Mexico, items. The fabulous casino-hotel resort was open 1928-35 (when gambling was declared illegal in Mexico).The $500 chip is for my singles collection. The other items are for sale ($3 postage, I combine postage):
¶ metal key fob, 2" high -- best offer over $45
¶ $25 chip, excel condition, $35.
¶ $100 chip, excel condition, $105.

both sides:

Made by US Playing Card Co:

Robert