A 19th century Ibach 'Richard Wagner' Concert grand piano;. A 19th century Ibach 'Richard Wagner' Concert grand piano; Serial no: 30131 circa 1897, in bleached rosewood, with stool, Ibach pamphlet and two letters; 1st dated 24/10/1972 from Ibach providing some provenance the 2nd dated 25/09/1972 from the musical Museum in Brentford detailing information on the serial numbers