Recently applied these to my R badge. Easy to apply, easy to remove. Available on eBay. Company sells some other really cool stickers.
On eBay type in the item number: 123271519362 or click the link: https://www.ebay.co.uk/itm/vw-scirocco- ... %7Ciid%3A1" onclick="window.open(this.href);return false;
588E26F1-030C-4D55-93EF-20099276A349 by Jonathan Freeman, on Flickr
D5663D04-F042-4A4C-B354-9070CA22904B by Jonathan Freeman, on Flickr