Vintage Harley Davidson 1970’s I own a Harley Not Just A. Shirt 3D Emblem Single

Very vintage 1970s I own a Harley not just a T-shirt 3-D emblem single stitch Casey’s motorcycles Pacoima, CA, No rips or tears this was a size large but this is back in the 1970s most of the men were a lot slimmer build…than what they do today… There are some deodorant stains underneath the arms and I know there is a way to get those out I just have not found the trick, single stitch