Coit Tower (Coit Tower) | 1 Telegraph Hill Boulevard, San Francisco (Copper Coin) Item Specifics: Machine: N/A Condition: BU (Brilliant Uncirculated) Size: 3/4" by 1 1/4" Metal: Copper Penny (95% copper, 5% zinc; weighing 3.11 grams or 47.9 grains - a form of weight measurement for powder scales) Additional Info: No admission charge is required to use the “Electric Four Die Machine” which is located in the hallway between the elevator and the gift shop. The picture to the left shows the design of the elongate - the actually shipped coin may (or may not) differ slightly from the image shown here but please be assured that we drive to please you and offer a full refund if you are not satisfied with the from us received coin.