Vintage 5 Assorted Blue Spools Crochet Thread South Maid, Sillateen Size 10

I believe these to all be size 10 thread, but 100% sure! Four are full or almost full spools, 1 is just a partial. Please see photos Size 10 South Maid #480 Delft 350 yds, #482 True Blue 350 yds, Sillateen 210 yds, other 2 unkown brand, Smoke and Pet free home, these were my Mom’s. Thanks for looking. Review all photos, as they are part of the description and condition Pre-owned vintage items have been used and stored; expect wear consistent with age and use. Props or measuring devices are not included