Vintage Mikasa embossed glass triangular Christmas tree plate or platter. • The clear glass platter features a central embossed design of a Christmas tree with colorful "ornaments" and presents at the base. • It is a holiday-themed serving dish, part of various Mikasa Christmas collections over the years. • The plate has a unique triangular shape and is made of clear glass, with some variations potentially being frosted or crystal. • Items like this were often made in Japan or Malaysia.