{"slug":"robert-liebknecht","artist_id":"53b8e16f-c41e-41c9-be9d-099635524be5","canonical_slug":"robert-liebknecht","name":"Robert LIEBKNECHT","built_at":"2026-11-01","categories":[],"sizes":[],"notable":[],"last_sold":null,"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"6f26917af1290de6b3d54f7527d48829d27d900e"}