Scarce original c1900 Slazenger Lawn Tennis Ball advertising board, showing facsimile complimentary letters written to the company from the Queen's Cl

Scarce original c1900 Slazenger Lawn Tennis Ball advertising board, showing facsimile complimentary letters written to the company from the Queen's Club and the Paris Tennis Club from 1898, 44 by 28cm.; sold together with an original box of six unused Slazenger Demon Lawn Tennis Balls; a box of four unused Dunlop L.T.A. Authorised Lawn Tennis Balls each stamped 1961; a Centenary presentation tin of 6 unused Tretorn Lawn Tennis Balls; a box of used six Slazenger Lawn Tennis Balls from 1936; and an oval tubed box originally for six Slazenger lawn tennis balls now containing a string bag with four unused 1966 Slazenger balls; the lot also includinga box of six A.G. Spalding Lacrosse balls (7)