It appears to be silver plate over some goldish metal. On the inside is written "Rochester Stamping Co. Germany". I did find info on the Rochester Stamping Co.. They had their fine cutlery manufactured in England and Germany until around 1895 when tariffs were raised and they brought the work home to the USA. So, these are probably from before 1895.
UPDATE: Thank you to the wonderful blogger at "It is an all-skate" for the tip on this item. It is used to cut the tops off of soft boiled eggs as they sit in an egg cup.
I'll be joining Selena's ThriftShare Monday here http://apronthriftgirl.typepad.com/apron_thrift_girl/ . Come check out everyone's thrifty finds. :)