RV-844 Rudolph Étude violin 4/4 Stradivari model RV-834 Rudolph Étude violin 3/4 Stradivari model RV-812 Rudolph Étude violin 1/2 Stradivari model RV-814 Rudolph Étude violin 1/4 Stradivari model RV-1044/O Rudolph Étude violin outfit 4/4 RV-1034/O Rudolph Étude violin outfit 3/4 RV-1012/O Rudolph Étude violin outfit 1/2 RV-1014/O Rudolph Étude violin outfit 1/4 RV-1018/O Rudolph Étude violin outfit 1/8 RV-1544 Rudolph Conservatoire violin 4/4 RV-1534 Rudolph Conservatoire violin 3/4 RV-1512 Rudolph Conservatoire violin 1/2 RV-2044 Rudolph Conservatoire violin 4/4 RV-3044 Rudolph Conservatoire violin 4/4 RV-5044-GU Rudolph Conservatoire violin 4/4 RV-5044-ST Rudolph Conservatoire violin 4/4