Scots Guards Officer’s Silver Cap Badge 1915

A scarce Scots Guards Officer’s Silver Cap Badge 1915, the insignia depicts a St Andrew’s cross overlying a multi-rayed star with a central circlet bearing the motto NEMO ME IMPUNE LACESSIT (None provokes me with impunity) enclosing a thistle worn on officers dress cap.  The badge comes complete with silver maker mark  HT (Henry Tatton) Edinburgh 1915.  The badge has no damage or repairs in mint condition.