I admit it, the ad did say "rattling noise." It also said "working condition" and "works with no known issues."

Turns out the rattling sound was the capsule, hanging by its wires.

[Linked Image from cdn.recordinghacks.com]

Sorry for the soft focus; I think the camera was also stunned by the "minor cosmetic wear" on this unit, and was shaking in sympathy.

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