The 1983 Rainbow Brite Come On In/Do Not Disturb DoorKnob Note Door Knocker is a unique and vintage collectible item featuring a rainbow pattern on shiny cardboard material. Manufactured by M & M in 1983, this original sign is suitable for decorating a new home's door with the subject of "Do not Disturb." This handmade door knob note adds a charming and nostalgic touch to any home's décor.