Ready to Spring!, 1929. Estimate: $2,000 to $3,000.
Mather Work Incentive Posters, designed and published in Chicago between 1923-1929, were graphic and catchy posters intended to boost worker productivity. The August 4th Vintage Posters auction at Swann features 23 of these colorful posters, including two that are quite timely for today.
A Hole in the Gas Tank, 1925. Estimate: $1,200 to $1,800; Willard Frederick Elmes, A Leak in the Tank!, 1929. Estimate: $1,500 to $2,000.