Nice 15-90! Here is the link to Sew Classic where they have all their supplies for the Singer 15 models. I bought my bobbincase from them for my 15-91.
http://www.shop.sew-classic.com/Sing...-15-88_c27.htm
Here is the link to just the bobbincase.
http://www.shop.sew-classic.com/Sing...ORE-125291.htm
Last edited by NZquilter; 12-23-2017 at 10:20 AM.