British Museum collections database

A searchable catalogue of over two million objects held by the museum, including many full colour images. The collection ranges from World Prehistory, Ancient Egypt, Sudan, Greece and Rome; archaeological and other objects from Europe, the Middle East, Africa, Oceania and the Americas; objects covering the material and visual cultures of Japan, Korea, China, Central Asia, Afghanistan, Pakistan, India, South and South-East Asia.

Not OER, but free subscription to download images for personal use.