I love looking at old magazines and vintage patterns. Here are two of my favorites. I have all 4 of these sewing machines (thanks to Tammi in central AB for my 99K named ‘jellybean’). It is interesting to me to see how each machine has its own personality. I have also included a closeup of their 4 different decals.
99K ‘Eye’ decal
15-90 ‘Eye’ and Trefoils
201 ‘Paperclips’ decal
221 Featherweight ‘Celtic Knot’ decal
If you are interested in learning more or finding out the type of decal you have on your vintage machine, more information is found on the ISMACS website: http://www.ismacs.net/singer_sewing_machine_company/decals/domestic-decals.html