Each 1.25". These have serial number on front and back paper explains to match this number to number published in newspaper to receive a prize if there is a match. All of these have the back paper except row 3 #4. There are twenty one different known in this set including those with a close-up image as well as a full figure image. The only button missing from the set is the Little Annie Rooney full figure button. These are all NM displaying Mint with these exceptions: Bing has several dark spots and some lighter, Castor Oyl has faint background dots, Dora has a few pinpoint rubs on very top edge, Krazy Kat full figure has two tiny faint dots by his shoulder and light mark at 11 o'clock, Tim Tyler has slightest fade of the red color. Vast majority are bright, glossy and NM displaying Mint. The most complete set we believe we have ever offered.