Pricket Thorn Stone, Blakey Ridge Posted on August 22, 2013 by chris.twigg Show on map Another day, another boundary stone. The Pricket Thorn Stone is a listed building, again carrying an 18th century “TD” for Thomas Duncombe. Share this: Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Click to share on Facebook (Opens in new window) Facebook More Click to share on X (Opens in new window) X