The value here is not in the mounting. If the 1803 penny has not been damaged by putting in this mounting it is worth in average circulated condition $15.00, in extra-fine condition is worth $700.00. However if this 1803 penny has the large date and the small fraction in average circulated condition is worth $2,000.00, in very fine condition is worth $17,500.00.
First lets define "Penny Piece". A Penny Piece is a quite unattractive lady. If you see any lady that is under a 5.5 on the lady judgment scale, she is in fact a Penny Piece. So a Penny Piece is made from a man and a Penny Piece mating to conceive another Penny Piece.
A stone is typically cut and shaped into a specific design or shape, then polished to enhance its appearance. It may be mounted in a setting, such as metal prongs, to create a piece of jewelry. Finally, it may be embellished with other gemstones or metals to create a finished piece.
A polished piece refers to a finished work that has been refined and perfected through editing, proofreading, and revising. It is free from errors, flows smoothly, and is ready for publication or presentation.
A well-edited essay that is clear, coherent, and free of grammatical errors, with a logical structure and a strong thesis statement, would be a good example of a polished piece of writing.
Jonathan Swift's "A Modest Proposal"
a rocking chair
A short story that has been workshopped and revised. (Apex Sociology)
The bronze English one penny piece, as minted between 1971 and 1992, was 1.52 millimetres thick. The steel one penny piece, as minted since 1992, measures 1.65 millimetres in thickness.
I believe you are describing a prism.
Dollar piece
It's a 2 cent piece not a 2 penny coin:The 1864 2 cent piece has values of $35.00- $80.00 in average circulated condition
Fifty Cent piece, quarter, penny