Vintage 1970's Tin Mechanical Dog Bank Toy

On the front there is a sliding door. When you push it the dog’s tongue comes out to hold a coin. When you push the button on the side his tongue retracts taking the coin with it. This does come with its key (which is RARE). Has slight signs of wear, small scuffs. 3.5" Tall 5" Long 2.75" Across