Rosskeen Pictish Symbol Stone AKA Thief's Stone

Still images at https://www.facebook.com/james.mcc.754589/posts/10159246901513776 "Clach a' Mheirlich, or the "Thief's Stone" is a Class I (ie. probably 7th -9th century) symbol stone. It is a sandstone pillar, 6ft x 1ft 6ins square, bearing on the front a 'step' symbol and on the left side what appears to be traces of a crescent symbol with, below, what could be either a pair of pincers or a 'tuning fork' symbol. Clach a' Mheirlich (ONB 1874). Ordnance Survey Name Book (ONB) 1874; J R Allen and J Anderson 1903. Clach a' Mheirlich is as described and illustrated by Allen (1903). Visited by OS (N K B) 23 March 1966. Class I symbol stone.A step is carved on the east face,with a crescent above a pair of pincers on the south face A.Mack 1997 p.118 Pictish Class I symbol stone - seen, badly eroded - little carving was visible. CFA/MORA Coastal Assessment Survey 1998."