Fancy letter L that would make a great drop cap or addition to your next creative project.
This is most likely a stock publisher image which was used by Anson D.F. Randolph & Co. The stereotyping for The Christmas Angel, and Other Stories was done by St. Johnland Stereotype Foundry. The image dates back to at least 1869 which puts it firmly in the public domain.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.