The gold Indian head. Historical US currency used in the first 3rd of the 20th century, beginning 5 years before the federal reserve was created. It weighs 0.2419 Troy ounces and is 22 karat purity.
In 1957, my dad was helping Grandpa at his tractor repair shop... @Cosmic
... I was messing around in a big black safe behind the counter. With my little hands able to feel deep between the sliding metal shelves and found this coin lodged at the back.