Each is 7/8” and these are eight of nine known in this size. See following related group. First button has product name and pictures Lone Ranger on Silver. The others have a company name and most have a Lone Ranger related slogan. The wording on these is: "Hi-Yo Silver Buchan’s Play Safe, Silver Bullet Buchan’s For Radiant Vitality, Masked Rider Buchan’s For School Lunch, Tonto Buchan’s Buttermilk Bread, Scout Buchan’s Stays Fresh Longer, The Curbs The Limit Buchan’s, Buchan’s The Good Bread." The one we know of which is missing read "Lone Ranger Enriched Bread." These are NM to Mint. A rare group.