Over our many years in business DSS Coin and Bullion is now able to offer a wide variety of services. As we are bonded and insured for appraisals so you can trust DSS to give you the best advice, truthful information and fair pricing with everything we do. DSS Coin and Bullion is not only the largest provider and buyer of investment grade silver, gold and platinum bullion in Nebraska but also has the most extensive collective coin inventory in the Metro.