Caslon 540?

Pretty similar indeed. However, the top serif of the ‘E’ seems to be straight, and the ‘S’ doesn’t look as top-heavy as in Caslon 540. Hard to tell at that angle.

Here's one with a corrected angle:
http://img192.imageshack.us/img192/8249/neverendingstory.png
not perfect, but it may help..

Looks like one of the thousand Baskervilles.