A January 10, 1918 Life magazine cover illustration is coming up for sale at Copake Auction on January 1, 2018:

https://www.liveauctioneers.com/item/58308126_paul-stahr-1883-1953

Paul Stahr (1883-1953) was a prolific illustrator who painted for numerous magazines:

In this auction, there are a number of Cream of Wheat illustrations by Edward Vincent Brewer as well:

https://www.liveauctioneers.com/item/58308146_edward-vincent-brewer-1883-1971