International Harvester Porcelain Farming Tractor Dealer 10″x10″ Sign. The image shows an International Harvester sign. The company’s logo, often abbreviated as “IH, ” is iconic and recognizable. Here are some additional details about International Harvester. The company was founded in 1902 and operated until 1985. The IH logo was introduced in 1909 to help advertise its products. Not being an expert, I have listed a method I think appropriate for the item. Make sure to check out my other listings on similar items. I have taken several photos as they are the best description that I can offer as far as its condition goes. Please use the zoom and feature to see the fine detail of this item. Thank you very much for looking. Have a great day.