My dad left me his beautiful Outback oilskin coat, but I don't think it was stored properly and now it has these stains on it. Any idea what might have caused them
Oilskin Drover Coat- Long – Australian Saddle Company
Foxfire Men's Long Oilskin Western Australian Waterproof Duster Coat, Raincoat Oil Cloth Cotton, Brown, X-Small at Amazon Men's Clothing store