2 Metlox Yorkshire Luncheon Plates. They are #505, glazed in Gloss Opaline Green and are part of the Prouty Dinnerware Line.
Each Plate is 9" in diameter and 7/8" high at the rim. There are no cracks or chips. One plate is marked with impressed figures Poppytrail by Metlox, U.S.A. The Plates can be seen on page 49 of Carl Gibbs book on Metlox Potteries.