A George IV silver combination pen and pencil

A George IV silver combination pen and pencil,
by Mordan and Riddle, London 1828, also marked 'Mordan and Co. Patent',
reeded cylindrical barrel, slide action mechanisms, length closed 10.6cm, plus another silver combination pen and pencil, by S. Mordan, marks worn, also marked 'Mordan and Co. Patent', reeded cylindrical barrel, slide action mechanisms, length closed 10.5cm. (2)