A very fine silver propelling pencil by W. Thornhill & Co. designed as a tilt-head tennis racquet, with swivel handle mechanism, engraved Sept. 20th 1

A very fine silver propelling pencil by W. Thornhill & Co. designed as a tilt-head tennis racquet, with swivel handle mechanism, engraved Sept. 20th 1879, larger than usual example 8.5cm. long, good condition