What do you guys think of this hone!! It's a NOS Y/G Escher, still has the ink stamps on it, one stamp is the Holy Grail "GELBGRUN" or Yellow/Green and the other is the Goldene Medaille stamp. The stone is 8" X 1 13/16" X 3/4", WOW, a brick. Should I buy it?!?!? OMG, I'll have to hock something!