If you’re in Europe, Troostwijk (no affiliation) is pretty big in used corporate goods. https://www.troostwijkauctions.com/ https://www.troostwijkauctions.com/

If you’re in Europe, Troostwijk (no affiliation) is pretty big in used corporate goods. https://www.troostwijkauctions.com/ https://www.troostwijkauctions.com/ Otherwise, perhaps there are local auction houses/warehouses in your country/region?