Second Reverse: The term "Second Reverse" refers to a modification in the design on the reverse side of the coin.
Class III: The term "Class III" refers to a specific grouping or classification system established by numismatists to categorize different striking variations of the 1804 Draped Bust Silver Dollar.
Class III typically includes those restrikes produced for collectors and later offered to collectors.
These coins are part of numismatic lore and are considered rarities. The 1804 Draped Bust Silver Dollar, regardless of the specific reverse type or class, is highly sought after by collectors and investors.
If you have a coin fitting this description, it would be advisable to have it authenticated and graded by reputable numismatic experts or professional grading services,