Grading Gold Sovereigns
- Information to help determine gold sovereign grades.
- http://www.goldsovereigns.co.uk/grading.html

Coin Grading Basics
- A primer for learning how coins are graded.
- http://www.acoin.com/grading.htm

German Coin Grading
- German coin grading is no simple matter. There are literally thousands of different coin types spanning hundreds of years and a variety of coining techniques.
- http://germancoins.com/grading.html

How to Grade U.S. Coins
- A book that describes the process of grading uncirculated and proof coins.
- http://www.coingrading.com/