These are from the 1930s and '40s with exception of last two which are c. 1950. The three rows of smaller items are all 1.25" to 1.5". The larger button is 3". Each of these includes the word "Club." Primary titles and sponsors are as follows: Wonder Bread Hostess Cake, two Bond/Roger Baker Club, Bondie Pow Club, American Junior Guernsey Club, Moo Club, Stillicious U.S. Defender (scarce WW II button), Oakland Dairy Kiddies Birthday, Dairylea, Castles Ice Cream, Meadow Gold Safety, a Canadian "Good Teeth" button from Hamilton, Ontario, and an early soft ice cream button for "Zesto Club Member." The large button reads "Member Of The Klinker Magic Club Sunny Brook Farms." All display clean and glossy. NM displaying Mint. Couple of tiny dots on the second button are in the printing.