Set of 3 vintage nesting enamel containers with lids

Three nesting containers. Beige enamel on outside, Teflon coating inside. Plastic lids with numbers 1-31 and a red pointer, presumably to indicated the date things were put in. Lids in good condition. Some small rust spots on metal. Use for craft, jewellery or trinket storage. Succulent planter? Or just display them cause they're cool! Vintage. Set of three - 6 pieces (three lids, three bottoms)