Perhaps it was part of this campaign by Sprint (or maybe something similar)?
I Have A 1967 Gold Dime (looks Gold)in Mint Shape,can't Find Info... - Blurtit
I read that the electro-plating kits completey disappeared in 1989, it's crazy!It's a 1990 dime
Oh my god I am still laughing.I read that the electro-plating kits completey disappeared in 1989, it's crazy!
It is cool to make a find like that though, over the years I have found gold-plated, annodized, and my favorite, a chrome-plated 1964 silver Roosevelt.
I have found a penny