Excellent German instrument, around 1900, highly suitable for jazz.
Arched back, good condition. Stringlength 109 cm.

Pöllmann 4-string bass, Mittenwald 1975. Arched back, mint condition.

Stringlength 104 cm.

Very interesting French 4-string bass, Vieux-Paris, possibly by F. Lejeune.
Arched back, fully restored condition. Stringlength 104 cm.

Fine German 4-string bass by E. Wilfer, Bubenreuth 1989.
Arched back, mint condition, stringlength 104 cm.

Hieronymus II Amati, copy by Hans Johansson and René Zaal 2014. Flat back, perfect condition. Stringlength 106 cm.

Polish handmade 4-string bass by Andrzej Bednarski, Nowy Targ 1984.
Arched back, mint condition, stringlength 106 cm.