![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 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](https://i.redd.it/my-dad-left-me-his-beautiful-outback-oilskin-coat-but-i-v0-syufj8mxosza1.jpg?width=3024&format=pjpg&auto=webp&s=a8221a3faa29236176feb8ae4678751e3024a890)
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
![Amazon.com: OUTBACK TRADING Men's Wax Cotton Waterproof Breathable Long Western Duster with Multiple Pockets, Bronze : Clothing, Shoes & Jewelry Amazon.com: OUTBACK TRADING Men's Wax Cotton Waterproof Breathable Long Western Duster with Multiple Pockets, Bronze : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/614jI-fbglL._AC_UY1000_.jpg)
Amazon.com: OUTBACK TRADING Men's Wax Cotton Waterproof Breathable Long Western Duster with Multiple Pockets, Bronze : Clothing, Shoes & Jewelry
![Vintage 1980s Outback Trading Company LTD Waxed Canvas Duster Jacket / Fall Outerwear / Full Length Trench Coat / Workwear / 80s Clothing - Etsy India Vintage 1980s Outback Trading Company LTD Waxed Canvas Duster Jacket / Fall Outerwear / Full Length Trench Coat / Workwear / 80s Clothing - Etsy India](https://i.etsystatic.com/16495683/r/il/65f699/4717961580/il_fullxfull.4717961580_qpa3.jpg)