PCGS 2000 dated 50c aluminum feeder finger, made for the U.S. Mint by Arrow tool company in the year 2000. The Aluminum feeder finger is the exact type used by the U.S. mint during this era, and example with the same anodized aluminum are found struck by various denomination of U.S. coins.
This is the only 50c size feeder finger of this metal and type that we know of existing. Unique.