Is “Macaca leonina” in the public domain?

Yes. “Macaca leonina” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Where is “Macaca leonina” from?

It is catalogued from the open collection of Smithsonian Open Access and is free to reuse under CC0.

Can I use “Macaca leonina” commercially for free?

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

“Macaca leonina” by C. B. Kloss (12 Oct 1916) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Macaca leonina

C. B. Kloss

Title	Macaca leonina
Artist	C. B. Kloss
Date	12 Oct 1916 20th century
Medium	775 mm
Classification	Kloss, C. B. 1919. Journal of the Natural History Society of Siam. 3 : 343.
Origin	Lat Bua Kao [= Lat Bua Khao], Nakhon Ratchasima, Thailand, Asia
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)