Investors Savings And Loan Association Flashing Keychain Pasadena Glendora

Unsure of age of item but guessing 60s. This keychain is plastic with an insert that has one SIDE, that depending on the angle you look at it, has two messages. Size is 1 3/4 in wide by 1 and 1/4 inches tall. The one side says Investors Savings and Loan Association and has addresses for a Pasadena and Glendora office. The other side says insured savings and when looked at another angle says Investors Savings Pasadena Glendora.