By patrickk, 2 June, 2008 Description ivory frog with mother of pearl eye and inlay on bottom ivory and silver adjustment knob both frog and shaft ar merked with the number XII shaft has faint VUILLUAME stamped on hexagonal portion Category Music and Music Instruments Medium wood, ivory, silver and mother of pearl Distinguishing marks faint stamp vuillaume, hexagonal to round Condition Good Date Period dont know Weight 61 grams History inherited from grandfather in 1962 eBay Auction Link Price Paid (If known) inherited For Sale? No Log in or register to post comments