This is the most commonly seen piece of Lefever advertising Art.
B4E454E6-DD9D-4101-A4A7-147ABCA7C6F1.jpeg
And this GI listing for a large lot of advertising may draw some inspiration.
https://www.gunsinternational.com/gu...n_id=101524142
Unfortunately, game is rarely the sole subject of Lefever advertising. Usually it was the factory, or the gun itself.