This is a classic M. Hohner "Old Standby" harmonica, model No. 34B.
This particular model is a diatonic 10-hole harmonica, a popular entry-level instrument known for its classic design. While traditionally made in Germany, later productions—like this one—are manufactured in China.
Key Features
Design: Features a classic anchor graphic on its plated stainless steel cover plates.
Common Keys: It is frequently found in common keys such as C, G, A, and F. This one is a C.
Intended Use: It is widely recommended as a reliable choice for beginners and hobbyists.
It is being sold as pictured, without box. It makes noise when I blow but that is all I know.