A set of three George III inverted pear-shaped castors in sizes, each on a rising circular foot and with a spiral-twist finial, the feet and necks engraved with friezes of strap-work and foliage, each also engraved with a crest, maker's initials R. P., with a pellet between, London 1765 - 8in. and 6¼in, 21.50oz.