Old Single Row Corn Picker John Deere 60 9870 STS Cab Corn Issue CASE IH 9230 Unverferth 8250Enjoy the journey and stay safe, friends! Vintage john deere porcelain sign gas oil farm tractor midwest corn cow machine thanks for shopping with us here at classic gas and oil signs. This item is in the category Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs.