The Price Guide lists these as CD 20, but on this web site they are referred to as CD 22.5 This trio embossed: GOULD BATTERY// PAT.DEC. 1, 1896 The clear one is chipped on the base, hence the small plastic disk to stand it up! The center one is a yellow green-with some edge chipping. The right hand one is a green aqua one. The inner 'skirt' varies in height in this set.