CPB INSURANCE #566 AND 567 "METROPOLITAN LIFE INSURANCE CO." BUTTONS.
7/8" with W&H backpaper used 1912-1940. Same image on both with additional text "The Light That Never Fails". Second has blue background that sparkles and gives a dimensional effect. This was a W&H technique known as "Crystoglas" and used metallic foils. Both NM displaying Mint.
Pictures (click images to zoom in)