The following details engraved in red ink on accompanying tissue guard:

“SHYLOCK”

From a Glycerine-Developed
Platinotype by

JOSEPH T. KEILEY

Photogravure by the Photochrome Eng. Co., N.Y.

This image later appeared as a photogravure in Camera Notes: Vol. 5 No. 1, 1901 titled:  Shylock-a Study

Joseph Turner Keiley 1869-1914