24” x 24” has date stamp CA66 and number location code, From Los Angeles county. I removed the backing plate to add 1” Stimsonite reflectors. I have all but, 11 are needed in the letter, “P”. Thanks for looking. I invite you to take a look at the other two, vintage, California Cats eyes signs, I have listed here and available. Let’s make a deal and pick up all 3 sign in one stop!