Where do you sell a 1984 100 hundert schilling?

You can sell a 1984 100 schilling coin through various platforms such as online marketplaces like eBay or Etsy, where collectors often seek rare coins. Additionally, local coin shops or antique stores might be interested in purchasing it. Consider also joining coin collector forums or groups on social media, where you can connect with potential buyers directly. Lastly, auction houses that specialize in collectibles could also be an option.