Official Emblems of the Worlds Greatest Airlines. 50 Solid Sterling Silver Ingots minted in limited editions by The Franklin Mint and bearing the official emblem of the greatest airlines in history. Whenever a gld color appears on one of the emblems, 24 karat gold was used on the miniature. Certificate of Authenticity from The Franklin Mint dated Jan 5th 1981. These silver miniatures were purchased in 1981 for $14.00 each for a total of $700.00. They are enclosed in a hard shell leather case lined in felt and satan beatifully displayed.