Here are a selection of maps that I have done for some of my campaigns over the years. Most were hand drawn on cartridge paper, either with graphics pens, or with pen + pencil. Some of these have been scanned and coloured afterwards. (There are a few more in the Tanaloth pages here)

D&D Lost Mines of Phandelver

GURPS Mercenary Campaign

Legends of Anglerre Main Rulebook

Legends of Anglerre : Goh Myreth

The Cathedral of Tanaloth

The City of Tanaloth

The Western march of Tanaloth

The Eastern march of Tanaloth