Trading cards are a great sales and merchandising tool, a valuable public relations and conference collectible, a memorable educational & learning product. Intermedia Print Solutions, Princeton, New Jersey prints and packages trading cards for organizations such as ECS. Make your own collectables. Trading cards are available in a wide range of finishes. Use as marketing cards, head-shot cards, model cards, artist's cards, food and beverage sample cards, K-9 cards, coupons and so much more.