Three Slazenger 'High Visibility' '1' tennis balls, advertising the 1999 Australian Open. Materials: Rubber, Felt, Inktennis

Three Penn 'Centre Court' tennis balls, featuring the trademark and logo of Grand Slam Sports. Materials: Rubber, Felt, Inktennis

Three Wilson 'Championship' tennis balls. Materials: Rubber, Felt, Inktennis

Two tennis balls advertising the Jaeger Tennis Heritage Collection. Materials: Rubber, Felt, Inktennis

Two Wilson 'Championship', purple felt tennis balls. Materials: Rubber, Felt, Inktennis

Two 'Royal Court' tennis balls. Materials: Rubber, Felt, Inktennis

Two deflated tennis balls. Materials: Rubber, Felttennis

Five assorted lemon and lime coloured tennis balls. Materials: Rubber, Felt, Inktennis

13 assorted tennis balls from circa 1925. Materials: Rubber, Felttennis

A bottle of Avon 'Mixed Doubles Windjammer' after shave, shaped like a Spalding 'Championship' tennis ball, mounted onto a green pedestal. Bottle is housed in a yellow carton, with text: EXTRA DUTY/SPALDING/1 CHAMPIONSHIP BALL/2. Materials: Alcohol, Perfume, Plastic, Felt, Adhesive label, Cardboard, Inktennis

A tennis ball advertising 'Uncle Tobys' cereal products, in plastic bag. Materials: Rubber, Felt, Ink, Plastictennis

A Slazenger '2' tennis ball, commemorating the centenary of the N.S.W. Tennis Championships, 1885-1985. Materials: Rubber, Felt, Inktennis

A Slazenger 'Hardcourt 1936' tennis ball. Materials: Rubber, Felt, Inktennis

A Wilson 'Championship' tennis ball. Materials: Rubber, Felt, Inktennis

A Wilson '8' tennis ball. Materials: Rubber, Felt, Inktennis

A Wilson '2' tennis ball, used during a U.S. Open tournament. Materials: Rubber, Felt, Inktennis

A tennis ball with the WTA logo and emblem. Materials: Rubber, Felt, Inktennis

A Ten Pro '3' Pressureless tennis ball. Materials: Rubber, Felt, Inktennis

A Spalding '2' tennis ball. Materials: Rubber, Felt, Inktennis

A Spalding '"Pancho" Gonzales' tennis ball. Materials: Rubber, Felt, Inktennis

A Wright and Ditson 'Championship' tennis ball, with handwritten signature of former owner. Materials: Rubber, Felt, Inktennis

A Wright & Ditson 'Championship' tennis ball.'BIGGOT' written on ball in ink. Materials: Rubber, Felttennis

A Wright and Ditson 'Championship' tennis ball. Materials: Rubber, Felt, Inktennis

A Wright and Ditson 'Championship' tennis ball. Materials: Rubber, Felttennis

A Slazenger 'Hopman Cup' tennis ball. Materials: Rubber, Felttennis

A Dunlop Rubber Co. 'The Matchpoint' tennis ball. Materials: Rubber, Felttennis

A Dunlop '3' tennis ball. Materials: Rubber, Felttennis

A Wimbledon tennis ball. Materials: Rubber, Felttennis

A University (English) tennis ball. Materials: Rubber, Felttennis

A Sears & Roebuck 'Finalist' tennis ball. (Made in England) Materials: Rubber, Felttennis