I posted earlier on the Claret Spoon. There are two sizes, a large and a small which can be confusing given that they very in size from 12 to 18 inches. And, many times the smaller in some patterns are longer than the large size in others.
Richeleiu by Tiffany (Large - 18 3/4 inches)
Newcastle by Gorham (Large - 13 inches)
Elegante by Reed and Barton (Large -15 3/4 inches)
La Marquise by Reed and Barton (Large -15 inches)
No. 10 by Dominick and Haff (Large -12 1/2 inches)
Narcissus by Unger (Large - 12 1/2 inches)