Engraved print of Marco Polo sheep from 1883 publishing of
Date 1883 at the latest- this version of the book published then, may have appeared in earlier books.
Source
Alfred Brehm/Brehms Thierleben/Säugethiere/Vierte Reihe: Hufthiere/Elfte Ordnung: Wiederkäuer (Ruminantia)/Sechste Familie: Hornthiere (Cavicornia)/23. Sippe: Schafe (Ovis)/Katschkar (Ovis Polii) Katschkar (Ovis Polii).1/17 natürl. Größe.
Author Engraved by Gustave Mützel
Source: https://commons.wikimedia.org/wiki/File:Marco_polo_sheep_line_drawing.jpg

The Marco Polo sheep (Ovis ammon polii) is a subspecies of argali sheep, named after Marco Polo. Their habitat is the mountainous regions of Central Asia. Marco Polo sheep are distinguishable mostly by their large size and spiraling horns.