Vintage Hallmark Mug Mates

This is a vintage Hallmark "Mug Mates" coffee mug designed by Betsey Clark, featuring the phrase "Friends make your day a little brighter". The mug was produced in 1983. It is made of ceramic or porcelain and was manufactured in Japan. The design features two children under a rainbow with flowers and a small cat. This mug was part of a set that originally included a matching coaster/lid.