Known for a wider than normal rim around the edge of the coin, making it distinct and valuable.
The spacing between the date and the rim varies; the "Far Date" variety is scarcer and sought after.
A variety with a sharp, clear S mint mark on proof coins, distinguishable from the filled S mint mark.
Similar to 1979-S varieties, Type 1 has a filled S and Type 2 has a clear, sharp S mint mark.
On the reverse, the letters "AM" in "America" are closer together than usual, making it a rare variety.
The date is positioned further from the rim compared to the normal placement.
Non-proof versions of the 1979-S with a clear S mint mark are rare and valuable.
Intended only for collectors, a small number of these business strike coins were mistakenly released, making them highly sought after.