They exist occasionally; only buy from official sellers like https://vignetteswitzerland.com/
Do not buy:
- Used stickers
- Unauthorized online stores, especially if selling with a discount
- Unofficial roadside sellers
Note: Using a fake vignette is treated the same as driving without a vignette. Penalties and fines apply.
Related articles:
Where can I buy the physical Swiss motorway vignette (Sticker)?
Can I buy the physical Swiss vignette outside of Switzerland?
How much does the physical Swiss motorway vignette (Sticker) cost?