1.25" w/ Bastian back paper used 1907-1920. Wonderful color depiction of assumed brothers with younger holding product package and admonishing with pointed finger his frowning older brother who is poring a dose into a spoon. In book photo on page #158, bottom left edge shows as .25" white line. This was surface paint, now removed, and a few stain dots show on this small .25" long area. All else is NM displaying Mint. Rare. Comes w/Hake's COA.