Berkshire is one of the most popular and collectible of the 1847 Rogers Brothers line of silverplate. It was introduced in 1897, and is now discontinued. This ad is for the beef fork which is marked 1847 Rogers Bros A1(for standard plate). The fork measures about 6.75" long and 1.5" wide across the tines. It has been used so it does have some light usage marks, but is in excellent condition. Looks much better in person than comes across in the photo. A nice piece to add to your collection.