Aulos recorder Tenor: 311. Very good condition Aulos 311 tenor recorder which has the low 'C' key making it easier to reach than the 311-NE model. However obtaining a low C# is more tricky (though rarely needed) and requires alternate fingering.
Aulos Tenor Recorder 311-E Flute, Made in Japan - Brown
Aulos Tenor recorder 311-E + Case
Aulos Tenor recorder 311-NE - Thames Hospice
AULOS Vintage Tenor Recorder 311- & Original Case Made in Japan.
Rare Vintage Aulos Tenor Recorder Model 311, Made in Japan - Brown In Case