The Heidelberger Papyrussammlung has made a number of color photos (in both 72 and 150 DPI) of very important Coptic papyri available on their website, including: the Acta Pauli, ed. Carl Schmidt (Hildesheim, 1905; P. Heid. Inv. Kopt. 300-301), important as a witness to both the text and the Lycopolitan dialect; selections of P. Nepheros, ed. Bärbel Kramer and John Shelton (Mainz, 1987; mostly Greek papyri), an important fourth-century monastic archive from the Heracleopolite nome; the “Magical Book of Mary and the Angels,” ed. Marvin Meyer (Heidelberg, 1996; P. Heid. Inv. Kopt. 685); and a polemical fragment concerning Manichaeism origins, ed. P. Nagel (Strasbourg, 1995; P. Heid. Inv. Kopt. 450). These images add to the growing list of important papyrus manuscripts with non-canonical texts now available on the web, such as the Cologne Mani Codex (and, in part, the Nag Hammadi Codices).
http://www.rzuser.uni-heidelberg.de/~gv0/Papyri/P.Heid.Kopt._Uebersicht.html
