Most likely it is a replica, worth a couple dollars. If genuine, it is some kind of privately issued scrip, and could be worth hundreds of dollars. First-hand expert inspection is required. Check coinshows.com for a show in your area.
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.
If your coin is a nickel please turn it over. The minting date is 2004, on the front. The date 1803 honors the Lewis and Clark expedition. If it's any other coin, pleas post a new, separate question with its denomination. You can also look for questions like "What is the value of an 1803 US <coin name>?", e.g. "What is the value of an 1803 US large cent?"
Who would you swap lives with for a day?
Did Bill Nye go to jail?
Which is the verb in this sentence - it is such a nice day?
Is 30 pints greater than 7 gallons?
What is 180 degree Celsius equal to in Fahrenheit?
A farmer has 19 sheep All but 7 die How many are left?
How many times does 3 go into 100?
What should I know about coronavirus?
What does contingent mean in real estate?
How many stars are in the Big Dipper?
What is the one food you could eat for the rest of your life?
What does a red flag mean on the beach?
What's the weirdest state symbol?
What is OK short for?
Is it possible to die of a broken heart?
What is the English word for maram oru varam
What are the Advantage and disadvantage of mechanical transducer
Are you involved in development or open source activities in your personal capacity
Looking for a movie that I forgot the name of
What happened to Kelly on tmz
What is the difference between indigenous and formal bookkeeping
What is an example of juxtaposition in Private peaceful