Sterling silver is hard to give a value on. Most silver is sold today at what silver is worth. There is several in completed listings on e-bay. You would have to find people who collect silver souveneir spoons such as your’s to drive up the price. For instance one just sold for $95.95 with an indian on it. most are selling for $12.00 to $20.00

It is sterling silver.

Is it just silver in color or silver plated or sterling silver. Souveneir spoons such as yours are still being made. but lets assume it’s 80 to 100 years old. value depends on demand. Sterling silver would demand more.