Mistakenly struck on copper instead of zinc-coated steel; very rare.
Accidentally minted on steel planchets instead of bronze.
Features designer Victor David Brenner's initials; limited mintage of 484,000.
Low mintage year, making it the key date of the Indian Head series.
Scarce due to a low mintage of 1,193,000 and high collector demand.
Mint error where the Denver mintmark is missing; highly collectible.
Notable doubling of the date and inscriptions on the obverse.