Vintage OXO Ads "The Sphere" Magazine 1914 & 1917 WW1 Era Lot of 2

Condition: Ads appear complete and relatively flat within plastic sleeves. Visible signs of aging include yellowing/discoloration, particularly a noticeable spot on the 1914 ad. Edges may have minor wear consistent with age. Sold as is (Please see pictures)

Lot of two original OXO advertisements from "The Sphere" magazine. Includes "OXO AT THE FRONT" dated November 14, 1914, and "OXO is welcomed on all Fronts" dated March 31, 1917. Both are black and white World War I era print ads.