Coin guides

How to identify a coin, where to find its mint mark, which dates and varieties are scarce, and what makes it worth more than face value. Every guide cites its sources.

United States · Dollars

Silver dollar value: how to tell what your US silver dollar is worthHow to tell if your US dollar is silver, how much silver it holds, and which dates, mint marks and grades make a silver dollar worth more.

Identify yours and log what you paid

Keepmint identifies a coin from a photo of both sides and keeps its price paid, date, condition and storage spot in one place on your iPhone.

Coming soon to the App Store

Free to download. For iPhone.