The very special quality of these two coins that sets these apart from all others is that it was the opposite of all other raised reli3ef designs – it instead had its design minted as incuse… cut into the surface of the coin.
These are the only two US coins ever minted in this way, which makes these inordinately unique. If you ever opt for buying coins in bulk, be sure that some of them are of this variety.
Buying coins in bulk can be pricey, but an overall economical means of acquiring large numbers of specimens. Buying coins as an investor or as a hobbyist, doing so in bulk can be somewhat inexpensive in the long run.