Read step 5 https://www.stevespanglerscience.com/lab/experiments/gold-pennies/ This is a popular lab experiment and thousands of the silver or gold colored cents are made and are a fun discussion item, but fades and the student cashes it in and many come here. Jim
if you think about it for a minute. Plating will make details less detailed, just like if you painted it. Look at the steps, look all over that cent and compare it's "sharpness" to pictures or another "perfect" cent you have set aside. It's lacking those detailed just like a plated cent lacks details. Other than science experiments, there are 3rd party companies out there that plate all denominations silver, gold, etc. Just search for "gold plated coins" (and skip ebay and amazon) and check out the list of companies that plate coins. usually the plating is less than .003 of an inch thick, so the added weight is non-consequential.
Can I post a picture of paper money on this thread and get thoughts on it. Weather its wort more than face or not?
You will get many more good answers if you post it to the " Paper Money Forum". Click on Forums in the header at top of page and then click on paper money.