What is Portero's authentication process for pre-owned items?

Portero.com has a stringent authentication process for all pre-owned items to ensure their authenticity. Their team of experts, including gemologists, horologists, and luxury fashion specialists, thoroughly examines every item before listing it for sale. They follow a meticulous procedure to verify the item's brand, materials, craftsmanship, and overall condition. Authentication involves assessing the item's serial number, hallmarks, date codes, and comparing them to the brand's records and industry standards. They also utilize advanced technology and collaborate with brand experts to confirm the item's legitimacy. Portero.com guarantees that all items sold on their platform are 100% authentic, giving customers complete peace of mind when shopping for luxury pre-owned items.