Q: How do I know if an artwork is authentic? A: All artworks on CoinArtz are verified by our team and come with certificates of authenticity. Q: Can I return an artwork? A: We offer a 14-day return policy for eligible artworks. Contact us for details. Q: How long does shipping take? A: Domestic shipping typically takes 5-10 business days, international 2-4 weeks. Q: Are the artworks insured during shipping? A: Yes, all artworks are fully insured during transit.