Where can you find a pickguard for a silvertone archtop?

You can find a pickguard for a Silvertone archtop at online retailers like eBay or Reverb, where vintage and used guitar parts are commonly sold. Additionally, guitar parts suppliers like Allparts or StewMac may offer suitable replacements. For a custom fit, consider contacting a luthier who can create a pickguard specifically for your model.