This is a Vintage 1977 Franklin Mint Solid Sterling Silver International Locomotive Collection of Sterling Silver Ingot Bars. Different Types of Trains Miniature Collection 52 Mini Ingot Bars Complete Set Comes in The Original Presentation Case, Certificate of Authenticity and Booklet. This has been in a box in storage for the past 35 years. Recently discovered when my father passed away. The International Locomotive Sterling Silver Miniature Collection. With the original signed Certificate of Authenticity (certified September 14, 1977) in original case. This is to certify that The International Locomotive Sterling Silver Miniature Collection which accompanies this certificate is a set of 52 miniatures minted in solid sterling silver by The Franklin Mint and issued in a single strictly limited edition. Krieg, VP, Collector Relations for The Franklin Mint. Comes with “International Locomotive STERLING SILVER Miniature Collection” 54 page Book. The Franklin Mint International Locomotive Sterling Silver 50 Ingot Collection in the Original Presentation Case. This Franklin Mint collection is complete and showcases 50 miniature ingots depicting locomotives from ancient 1804 to 1964. This set was first produced in 1974. Each ingot measures approx. 19.04mm by 9.53mm and 1.05mm in thickness with the entire set weighing 80 grams of. The presentation case has interior in blue felt interior with satin on top inside cover. The case measures approx. 11″ X 5″ X 1 1/2 inches. The collection comes with a booklet that covers each locomotive ingot in detail and official Franklin Mint Certificate of Authenticity.