A large empty, unsealed Sears Roebuck 'Windsor' tennis balls can. Materials: Metal, Ink, Papertennis

An unsealed Wright & Ditson 'Championship Tennis balls' domed-top can without lid. Key and seal strip also lost. Contains 2 of the 3 original balls. Materials: Metal, Ink, Rubber, Synthetic material, Wooltennis

An unsealed Wright & Ditson 'Championship Tennis balls' domed-top can with lid. Key and seal strip lost. Contains 3 unbranded balls. Materials: Metal, Ink, Rubber, Natural fibretennis

An unsealed Wright & Ditson 'Championship Tennis balls' domed-top can with lid. Key and seal strip lost. Contains 1 of the 3 original balls. Materials: Metal, Ink, Rubber, Felttennis

A sealed Wright & Ditson by Spalding domed-top can of three 'Championship Tennis balls'. Key attached to base of can. Has plastic 'reclosure' lid. Materials: Metal, Ink, Rubber, Natural fibre, Synthetic materialtennis

A sealed Wright & Ditson by Spalding domed-top can of three 'Championship Tennis balls'. Key attached to base of can. Materials: Metal, Ink, Rubber, Natural fibre, Synthetic materialtennis

A sealed can of three Wilson 'Optic Yellow Match Point' tennis balls. Clear plastic reclosure cap over a ring-pull style lid. Materials: Metal, Ink, Rubber, Synthetic materialtennis

A sealed can of three Wilson 'The Rosewall' tennis balls. Clear plastic reclosure cap over a ring-pull style lid. Materials: Metal, Ink, Rubber, Synthetic materialtennis

An unsealed Wright & Ditson 'Championship Tennis balls' domed-top can with lid. Key and seal strip lost. Contains 3 unbranded balls. Materials: Metal, Ink, Rubber, Natural fibretennis

A sealed clear plastic container of three Wilson multicoloured 'Whackers' tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed clear plastic container of three Wilson multicoloured 'Peppers' tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed Wilson can of three 'Optic Yellow Championship Extra Duty Felt' tennis balls, Ring pull top and plastic reclosure cap. Adhesive label on side states:NEW!/LONGER LASTING COVER'. Materials: Metal, Ink, Rubber, Synthetic materialtennis

A sealed plastic container of three Wilson 'US Open Tournament Select - Regular Duty Felt' grass court tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed plastic container of three Wilson 'US Open Tournament Select - Regular Duty Felt' grass court tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed Wilson can of three 'Optic Yellow Championship Extra Duty Felt' tennis balls, Ring pull top and plastic reclosure cap. Adhesive label on front states:NEW!/LONGER LASTING COVER'. Materials: Metal, Ink, Rubber, Synthetic materialtennis

An unsealed can of two Wilson 'Tru Blue' racquetball pressureless balls. White plastic reclosure cap. Ring-pull metal lid missing. Contains both original balls. Materials: Metal, Ink, Rubber, Plastictennis

A sealed plastic container of three Wilson 'US Open Tournament Select - Extra Duty Felt' tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

Three Wilson 'US Open' tennis balls inside a sealed glass wine bottle. Label states: 'VINTAGE/CHATEAU DU TENNIS' and features Wilson logos. Materials: Metal, Ink, Rubber, Glass, Synthetic materialtennis

An unsealed cardboard container for Dunlop 'Fort' tennis balls. Dated 1939 on container. Lid and base are metal. Contains six cream-coloured unbranded balls. Materials: Metal, Ink, Cardboard, Felt, Rubbertennis

An empty, unsealed cardboard container for six Dunlop 'Fort' tennis balls. Dated 1940 on container. Lid and base are metal. Materials: Metal, Ink, Cardboardtennis

A sealed clear plastic container of three Dunlop multicoloured 'Wild 'n Wooly' tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed clear plastic container of three Wilson multicoloured 'Peppers' tennis balls. Plastic reclosure cap over ring-pull style metal lid. Materials: Metal, Ink, Rubber, Plastic, Synthetic materialtennis

A sealed flat-lid can of three Dunlop (U.S.) 'Championship' tennis balls. Labelled: 'STOCK NO.37-B-1975'. Key winder missing. Materials: Metal, Ink, Felt, Rubbertennis

A sealed can of 3 Dunlop (U.S.) 'Championship Yellow' tennis balls with ring pull top and plastic reclosure lid. Materials: Metal, Ink, Rubber, Synthetic material, Plastictennis

An unsealed can of 3 Dunlop (U.S.) 'Championship Yellow "Australian Type"' tennis balls with plastic reclosure lid. Missing metal ring-pull top. Contains all 3 original balls. Materials: Metal, Ink, Rubber, Synthetic material, Plastictennis

A sealed clear plastic container of three Dunlop 'Tour Pro' racquetballs. Materials: Metal, Ink, Rubber, Plastictennis

A sealed can of 3 Dunlop (U.S.) 'Championship' tennis balls with ring pull top. Materials: Metal, Ink, Rubber, Synthetic materialtennis

An unsealed can of 3 Dunlop (U.S.) 'Player' tennis balls with plastic reclosure lid. Missing metal ring-pull top. Contains 3 Dunlop balls. Materials: Metal, Ink, Rubber, Synthetic material, Plastictennis

A sealed can of 3 Dunlop (U.S.) 'Championship Yellow' tennis balls with ring pull top. Materials: Metal, Ink, Rubber, Synthetic materialtennis

An unsealed can of four Slazenger (U.K.) 'Lawn Tennis Balls'. Originally packed under pressure (solder spot on base). Materials: Metal, Paint, Rubber, Felttennis