This lovely tier tray was issued in the early 1950s by UCAGCO Porcelain. The plates have a luster surface and are edged by clusters of holly. This is part of the "Flower of the Month" series. The plates are 7" and 9 1/4". UCAGCO, United China & Glass CO. originally started in the 1800s as Abe Mayer & CO. The UCAGCO name was used fromthe 1930s until 1960 when it was sold to Sammons. The company President, S O Stalaroff was also the designer of this series.