Quality Street candy is very nice. I tried it when I was in England. It celebrated 60th anniversary in 1998.
Kit Kat by Nestle is a favourite chocolate biscuit of many kids and adults as well.
Another slogan postmark from Quality Street but in digital cancellation format.
Mars! You aren't going to Mars, but having a Mars bar definitely makes you sweet.
After taking some chocolate, how about having a cup of Gold Blend Nescafe? It would make your day!