"At jeweller Les Millionnaires, tucked away in the historic old town of Zurich, being handed a 1,000-franc bill ($1,002) to settle a purchase is no unusual event. "It's quite frequent that we've got someone who comes in looking for a present and who pays in cash because they don't want their partner to find out, " said one of the proprietors of the shop, which sells earrings, necklaces and bracelets made of gold with precious stones. "It's the surprise effect.""
https://www.bloomberg.com/news/articles/2019-03-03/switzerland-s-controversial-1-000-franc-note-is-getting-a-new-look
https://www.bloomberg.com/news/articles/2019-03-03/switzerland-s-controversial-1-000-franc-note-is-getting-a-new-look