The latest price reference books that we use are listed below.

For Roman coins, the main sources are:

The Handbook of Roman Imperial Coins, David Van Meter, Copyright 1991, reprinted 2000. We abbreviate this as: Van Meter.

Roman Coins and Their Values, The Millennium Edition, David R. Sear, Copyright 2000. We abbreviate this as: Sear 2000.

Roman Coins and Their Values, 4th Revised Edition, David R. Sear, Copyright 1988, reprinted 1996. We abbreviate this as: Sear.

Coinage and History of the Roman Empire, Volume Two, Coinage, David L. Vagi, Copyright 1999. We abbreviate this as: Vagi.

The History and Coinage of the Roman Imperators 49-27 BC, David R. Sear, 1998.  We abbreviate this as: Sear Imperators.

For Greek coins, the main sources are:

Greek Coins and Their Values, Volume 1, Europe, David R. Sear, Copyright 1979, reprinted 1998. We abbreviate this as: Sear.

Greek Coins and Their Values, Volume 2, Asia and Africa, David R. Sear, Copyright 1978, reprinted 1997. We abbreviate this as: Sear.

For Roman Provincial coins, the main source is:

Greek Imperial Coins and Their Values, David R. Sear, Copyright 1982, reprinted 1997. We abbreviate this as: Sear.

For Byzantine coins, the main source is:

Byzantine Coins and Their Values, David R. Sear, Copyright 1987, reprinted 1996. We abbreviate this as: Sear.