Glassine bags that Bavarian cough drops came in. Kirstein made the cough drops, not sure who made the bags. First half of the 20th century, perhaps from the 1930s. Apple and banana. Vintage. Public domain. http://www.letterology.com/2014/07/bavarian-bonbon-bags.html?m=1 Citrus fruit. Vintage. Public domain. via http://www.letterology.com/2014/07/bavarian-bonbon-bags.html?m=1 Purple cough drops. Vintage. Public domain. via . http://www.letterology.com/2014/07/bavarian-bonbon-bags.html?m=1