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No experiment has yet shown a skyrmion behaving quantum mechanically.","posed_since":"","precise":"In a frustrated or chiral magnet with $S=1/2\\ \\text{or}\\ 1$ local moments and skyrmion radius of a few lattice spacings, detect a quantum signature: macroscopic quantum tunneling of skyrmion number or position (a temperature-independent switching rate below a crossover T*), or quantized internal modes inconsistent with classical spin dynamics. An answer is an identified system and measurement giving T* and the rate.","problem_ref":null,"references":"","settled_by":"Low-temperature single-skyrmion switching or spectroscopy showing a temperature-independent rate below T*, compared with quantum many-body calculations.","status_note":"","title":"Can quantum skyrmions be observed in a real 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