Buy | Antique Compass

Best for "the hunt," but bring a magnifying glass and a magnet (to test if the body is solid brass or just plated steel).

Designed for heavy-duty sighting and map work; these often feature sighting wires and magnification lenses. 2. Verify Authenticity buy antique compass

Great for finding rare maritime pieces, though "buyer's premium" fees apply. Best for "the hunt," but bring a magnifying