Three unusual lawn tennis themed belts, comprising "Martin Patent” flexible-link brass belt

Three unusual lawn tennis themed belts, comprising "Martin Patent” flexible-link/expanding brass belt with brass buckle and clasp. The reverse of the buckle is stamped “Made in England - Patent No.660336”, the number relates to 1917, the front of the buckle shows crossed rackets and a ball, 79cm; a “Martin Patent” with rectangular design, 66cm; and a Victorian, black ribbon, cummerbund-style belt with white-metal racket and ball fittings, possible for a lady,  66cm, with two further “S” shaped belt links one of which, in brass, is stamped “Rd 185042” , 1891