A Spalding tennis ball, still contained within translucent green viscose seal. Inscription across ball: 1929/SPALDING/APPROVED BY/U.S.L.T. ASSN. Materials: Felt, Rubber, Ink, Plastictennis

A soft tennis ball, with inscription: KENKO/SOFT TENNIS/USSTA. Materials: Rubber, Inktennis

A Penn 'Ti 3' tennis ball. Autographed in black marker by Gabriela Sabatini. Materials: Rubber, Felt, Inktennis

A Wilson '1' tennis ball. Autographed in black marker by U.S. Baseballer, Brady Anderson, whilst with the Baltimore Orioles. Materials: Rubber, Felt, Inktennis

A specially made Penn 'Martina 1994' tennis ball, commemorating Martina Navratilova's farwell to the Virginia Slims Championships, and Women's Singles tennis, on the whole, on 15 November 1994. Materials: Rubber, Felt, Inktennis

Two tickets (.1 and .2) to the 1994 Virginia Slims Championships, at Madison Square Garden, for 5:30pm, Tuesday 15 November. This night was Martina Navratilova's farwell to Women's Singles tennis. Whilst retiring from singles tennis, Navratilova continued playing in Women's and Mixed Doubles, until 2006, with continued Grand Slam and circuit success. Materials: Paper, Inktennis

A Penn 'Classic' '1' tennis ball. Autographed, in black marker by Paul Haarhuis. Materials: Rubber, Felt, Inktennis

A Penn '5' tennis ball. Autographed, in black marker by Conchita Martinez. Materials: Rubber, Felt, Inktennis

A tennis ball, with inscription: HENLEY/1931/MADE IN ENGLAND. Materials: Rubber, Felt, Inktennis

A Pennsylvania 'Championship' tennis ball. Handwritten initials in black marker: V.P. Materials: Rubber, Felt, Inktennis

A Wilson '3' tennis ball. Autographed in black marker by Mark Woodforde, and Todd Woodbridge. Materials: Rubber, Felt, Inktennis

A Penn '8' tennis ball. Autographed in black marker by Serena Williams. Materials: Rubber, Felt, Inktennis

A Penn '4' tennis ball. Autographed in black marker by Stefan Edberg. Materials: Rubber, Felt, Inktennis

A tennis ball, with inscription: WRIGHT & DITSON/CHAMPIONSHIP/1930/APPROVED BY/U.S. LAWN TENNIS ASSN. Materials: Rubber, Felt, Inktennis

Three Penn tennis balls (.1 - .3), all autographed, in black marker, by the same person. Materials: Rubber, Felt, Inktennis

Two Penn tennis balls (.1 - .2), all autographed, in black marker, by the same person. Materials: Rubber, Felt, Inktennis

Five Penn tennis balls (.1 - .5), all autographed, in black marker, by Martina Hingis. Materials: Rubber, Felt, Inktennis

A Penn tennis ball autographed, in black marker, by Andre Agassi. Materials: Rubber, Felt, Inktennis

A Penn 'Centre Court' tennis ball autographed, in black marker, by Don Budge. Materials: Rubber, Felt, Inktennis

A Penn 'Tribute' tennis ball autographed, in black marker by a person. Materials: Rubber, Felt, Inktennis

A collection of 6 (.1 - .6) pink felt tennis balls. Materials: Rubber, Felt, Inktennis

A Dunlop 'Fort All Court', tennis ball, with Perrier advertisement. Autograph, in blue marker, reads: WIMBLEDON/2000/ROSS/CASE. Materials: Rubber, Felt, Inktennis

A tennis ball, with text, in Spanish: FED CUP/DEL 7 AL 11 DE NOVIEMBRE/IFEMA. Materials: Rubber, Felt, Inktennis

Three generic Penn tennis balls. Materials: Rubber, Felt, Inktennis

Two red felt tennis balls. Materials: Rubber, Felt, Inktennis

Three Dunlop 'All States' Heavy Duty tennis balls with different coloured seams (bone .1; brown .2; and, black .3). Materials: Rubber, Felt, Ink, Cordtennis

Two oval-shaped pieces of cardboard, tied together with red cord at three points, advertising the new Dunlop 'All States' Heavy Duty tennis ball - one of which is actually positioned into a hole, through the middle of the advertisement. Materials: Rubber, Felt, Ink, Cardboard, Cordtennis

Three early 20th century tennis balls (.1 - .3). Materials: Rubber, Felttennis

Three tennis balls, with inscription: SPALDING/APP. U.S.L.T.A./CHAMPIONSHIP. Materials: Rubber, Felt, Inktennis

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