Appears to be a vintage Soviet-era Oktava MD-55 dynamic microphone, featuring an omnidirectional capsule, a slotted spherical head, and a heavy cast desktop base. [1, 2]This mid-century model from the USSR is known for its distinct lo-fi, mid-forward frequency response and retro industrial aesthetic. [1, 2, 3, 4, 5]The unit shows natural surface wear, patina, and weathering consistent with age, attached to its original chrome-accented vertical shaft and round weighted base

Minor rust.