This is cute and delicate pre-owned Lusterware porcelain teacup with saucer. The Lusterware surface gives the pieces a grayish pearlized or iridescent look. Stamped on the cup is in gold lettering is December Holly. UCAGCO labels on both pieces, with the cup label being partially worn. There is slight wear to the gold on the point of the cup handle. No chips, cracks or flea bites. To preserve the Lusterware, gently clean. UCAGCO (United China and Glass Company) was a business in Occupied Japan during the years 1945-1951 with offices in New Orleans and New York. Cup = 3" x 3 1/2" diameter (with handle = 4 1/2” across”) Saucer = 5 3/4" Perfect tabletop Christmas decor!