- Attribution
- Forum Ancient Coins: Imperial Roman Coin Attribution 101 – The Short Course
- All Your Coins: How to identify Roman coins: includes clothes, crowns and busts orientations
- ERIC: Details by Emperor: includes background, all Obv and Rev combinations and detailed coin images
- Augustus Coins: Introduction to Byzantine Coins
- Legends and Mint Marks
- Augustus Coins Legends on Roman Coins
- David Sear Roman Legends
- Doug Smith Abbreviation on Roman Imperial Coins
- Forum Ancient Coins: Roman Mints and Officina Roman coins started to have mint marks in the middle of the 3rd century AD
- ERIC: Mints and Mint marks