10K Gold Superbowl XXVII Championship Pin w/ Diamond – Dallas Cowboys. A 1993 Super Bowl XXVII Champions Dallas Cowboys Championship pin in 10k gold with a real diamond in the center of the star with blue enamel outline. It is marked 10k and has the Balfour hallmark. It is serial number 0036. It is in excellent Condition. Total weight with clasp is 8.1 grams. Welcome to Estate Jewelry and Bullion. We Guarantee high quality products with best prices. Thank you for shopping with us at Estate Jewelry & Loan. All jewelry has been assessed by our quality control supervisor before listing to ensure integrity. At Estate we understand that online shopping can present challenges. A pleasure to do business with. Estate Jewelry and Bullion. Listing and template services provided by inkFrog.