Vintage 1986 YFK Designs Hearts Delight Collection 3 9/16" Mug NEW/UNUSED Made in Korea in excellent clean condition.  Distributed by United Silver & Cutlery Co.  Mug is 3 9/16" tall and the outside mouth diameter is 3 1/8".  This mug was purchased at an estate sale as part of a mostly unused candle holder/mug collection.  Very nice colorful mug.  Please see photos.