PART I. Die Subtypes:
Design Execution Errors:
1804 Dime with 14 stars on the reverse
Definition: A Draped Bust dime reverse die had 14 stars punched into the reverse die instead of the 13 stars intended.
The top image shows the normal 13 star reverse design. The bottom image shows the variant 14 star reverse design.
Images are courtesy of Heritage Auctions.