This is a Hohner Little Lady mini harmonica in a blue case. It is the smallest playable harmonica in the world and was the first instrument played in space. Excellent condition.
Model: Little Lady No. 39
Origin: Made in Germany
Size: 3.5 cm (1.38 inches) long
Key: C major
Material: Pearwood comb, brass reed plates, chrome-plated covers
Range: One octave (8 notes)
Historical Significance: Played in space on Gemini 6 in 1965