German Lustreware Mug With Flower

German Lustreware Mug With Flower. Lustreware or lusterware is a type of pottery or porcelain with a metallic glaze that gives the effect of iridescence. Vintage Friendship Mug. Exact date of the piece is unknown. Beautiful green lustreware glaze with gold gilded flower. Flower is lightly chipped (see pics and video) however with the lovely design, it doesn't really stand out. Please view all pics and video to verify the condition.