This is the Ruby Band pattern from Pyrex Corning in their Tableware line of dinnerware. It is classic restaurant ware diner milk glass with a red inner and outer band. Base color is Corning milk glass. 

Saucer backs are all stamped - saucer says corning made in the usa 

Super classic heavy corning restaurant ware. 

There are no chips, cracks or crazing. Very light to no signs of use. Saucers measure 6''
 saucer only