Three-Sided Coin was created on 2002-06-11.
I suggest you get a good coin book and search for your coin in there.
The most expeditious way to get a coin graded is to locate a coin shop nearby - present the coin to the owner for grading. If he/she is uncomfortable to do so, he/she will refer you to a numismatist (experienced coin collector).
a Coin Toss
The coin would float.
If that is a private mint coin, it is probably the weight of the coin.
Push for Coin was created in 1995.
The Seventh Coin was created in 1993.
Coin World was created in 1960.
Roberto Coin was created in 1977.
Spinning Coin was created in 1995.
The Broken Coin was created on 1915-06-21.
Coin Locker Babies was created in 1980.
The Counterfeit Coin was created on 1955-12-28.
Coin - department store - was created in 1926.
Coin Laundry was created on 2009-04-24.
Guinea - British coin - was created in 1663.
A Coin in Nine Hands was created in 1934.