Painting or print of Leonardo De Vinci, how old and value?

Question

I bought a very old & and antique looking print or painting with old frame of Leonardo De Vinci, and on the bottom it says Collection Hanfstaengl Munchen 50. Rembrandt. Was this a print or painting made by Rembrandt and does it have any value? It looks like a black and white portrait of De Vinci. And how do I find anything about it?
Thanks, Tom

Answer 1

Here are some examples of copyrighted/published images when searching the name Hanfstaengl Munchen in the Library of Congress Prints and Photographs division.
Type in the name Hanfstaengl Munchen and click search.
Search his full name and even more listings come up.
http://lcweb2.loc.gov/pp/pphome.html
Here is one of his prints currently for sale ~ Collection Hanfstaengl Munchen, Sandro Botticelli's Portrait of a Young Woman.
http://search.rubylane.com/ni/search?ss=hanfstaengl&prevss=franz+and+hanfstaengl+and+munchen&sb=1&sb=Search

Answer 2

Hanfstaengl was a German publisher famous for early photographic reproductions of art.
"Kunstverlag Franz Hanfstaengl" was bought by DACO in the 1980s.
http://www.daco-verlag.de/catalog/default.htm

Rembrandt did not portray DaVinci. It just may be a selfportait:
http://www.holland.com/images/hoco_ams/tentoonstellingen/etskl.jpg

It may have some value but I doubt it will be more than $10.