Auction
Our Auction Services
At Rainbow International, our auctions bring together collectors, investors, and enthusiasts seeking rare and high-value assets from around the world. Each auction is curated with precision, transparency, and trust—ensuring that every item presented meets the highest standards of authenticity and quality.
We specialize in auctioning:
Rare Earth Metals
Antique & Heritage Artifacts
Bullions & Precious Metals
Vintage Furniture & Crafts
Fine Art, Paintings & Masterpieces
Historic Currencies & Collectibles
Our auction process is designed to be smooth, secure, and accessible to participants across the globe. Every item undergoes expert verification, detailed research, and quality assessment before being listed. We provide complete documentation, provenance details, condition reports, and valuation insights—empowering bidders to make confident and informed decisions.
Whether you are a seasoned collector or a first-time buyer, Rainbow International offers:
Live Online & In-person Auctions
Private Bidding Options
Transparent Valuation & Reserve Pricing
Secure Payment & Delivery Worldwide
Dedicated Support for Buyers & Sellers
If you have any questions let us know
Do you have any questions? Write and our specialists will answer you.