A Penn '1' tennis ball. Autographed in black marker by John McEnroe. Materials: Synthetic material, Rubber, Inktennis

A Prince 'professional' tennis machine, with ball delivery cord, and electrical power cord. Machince essentially comprises of a ball container, from which balls collect into a six cylinder dispensing chamber, and then shot out, one after the other, through a retractable cannon. Materials: Metal, Plastic, Rubber, Acrylictennis

A Prince 'professional' tennis machine, with ball delivery cord, and 5 dispensing chamber cylinder caps. Machince essentially comprises of a ball container, from which balls collect into a six cylinder dispensing chamber, and then shot out, one after the other, through a retractable cannon. Materials: Metal, Plastic, Rubber, Acrylictennis

A 'ZIPP-EE' Tennis Opponent. A triangular metal weight with length of elastic (broken in places) and a grey ball. Housed in printed cardboard box. Contains instruction pamphlet. Materials: Metal, Rubber, Felt, Paper, Ink, Cardboardtennis

A Slazenger (UK) 'Lawn Tennis Ball' box. Printed on lid: 'MADE ENTIRELY IN ENGLAND / OFFICIALLY AUTHORISED BY THE LAWN TENNIS ASSOCIATION'. On lid, front and rear of box is printed: '1938'. Colour advertisement adhered to underside of lid. Contains six unbranded white balls, probably original. Inscribed in pencil 'Dudley Howard Pratt' and 'WHP Adams'. Materials: Ink, Cardboard, Paper, Rubber, Wooltennis

A box of Dunlop (U.K.) 'Fort' tennis balls, containing all six original balls. Printed on box ' LTA OFFICIAL TENNIS BALL'. Materials: Ink, Cardboard, Rubber, Synthetic material, Wooltennis

A box of Dunlop (U.K.) 'Warwick' tennis balls, containing four of six original balls and two unbranded but similar balls. Seal label states '1967'. Materials: Ink, Cardboard, Rubber, Synthetic material, Wooltennis

A brown unbranded box of six tennis balls. Each ball is cream and stencilled with 'DEAC'. Materials: Cardboard, Felt, Rubbertennis

A Slazenger (UK) 'Permacore Pressureless Yellow' tennis balls box. Contains all three original balls. Materials: Ink, Cardboard, Rubber, Synthetic materialtennis

A Spalding-branded box containing twelve Spalding 'Davis Cup Standard' tennis balls. All ball are unbranded. Materials: Ink, Rubber, Cardboard, Felttennis

A brown unbranded box of six tennis balls. Each ball is white, printed with an 'R' logo and wrapped in piece of waxed paper. Adhesive label on base of box states: 'HARRODS/ Z6 65/ 6/6DZ'. Materials: Cardboard, Felt, Rubber, Adhesive label, Ink, Paper, Waxtennis

A Slazenger (UK) 'Nylon-Armoured Tennis Balls' box. Printing on lid in French refers to '1962'. Contains all four original balls. Materials: Ink, Cardboard, Paper, Rubber, Wool, Synthetic materialtennis

A Stomil (Poland) tennis balls box, containing all three original balls. Materials: Ink, Cardboard, Paper, Rubber, Synthetic material, Adhesive tapetennis

A Spalding-branded box containing four cans of Spalding 'Championship' tennis balls. All cans are sealed and unused and each contains three balls. Materials: Metal, Ink, Plastic, Synthetic material, Rubbertennis

A large unsealed Wilson 'Championship War Time' tennis ball can. Originally contained 'one dozen' balls. Contains three unbranded balls. Can states: 'TO FULLY COOPERATE WITH THE RUBBER CONSERVATION PROGRAM THESE TENNIS BALLS CONTAIN NO CRUDE RUBBER'. Materials: Metal, Ink, Rubber, Wool, Synthetic materialtennis

An unsealed Spalding (U.S.) 'Heavy Duty' domed-top tennis ball can with lid. Key and seal strip lost. Contains three unbranded balls. Materials: Metal, Ink, Rubber, Synthetic material, Wooltennis

An unsealed Spalding (U.S.) 'Heavy Duty' domed-top tennis ball can with lid. Key and seal strip 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 without lid. Key and seal strip also lost. Contains 2 of the 3 original balls. Materials: Metal, Ink, Rubber, Synthetic material, Wooltennis

An unsealed Spalding (U.S.) 'Encore! Encore!' domed-top tennis ball can with lid. Key and seal strip lost. Contains three original 'Color Seam' 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 Spalding (U.S.) domed-top tennis ball can with lid. Key and seal strip lost. Contains one unbranded ball. Materials: Metal, Rubber, Felt, Inktennis

An unsealed Spalding (U.S.) 'Pancho Gonzales' domed-top ball can with lid. Key and seal strip lost. Contains three balls (one original, one blank, one Penn brand). Materials: Metal, Rubber, Synthetic material, Inktennis

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 Spalding (U.K.) 'Pancho Gonzales' English flat-top ball can, key wind type. Contains three balls. Key attached to top of can with adhesive tape. Materials: Metal, Rubber, Synthetic material, Adhesive tapetennis

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 Wilson dome-top tennis ball can. Key winder attached to base. Materials: Metal, Ink, Rubber, Felttennis

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