I think its older. Keys like that have been around since the 1800s. I would say 1930s or 1940s, or somewhere around there, based on the "Huber" design and the lack of USA on it. Since it only has the city and state on it, that suggests it was made to be sold here in the USA, and not somewhere outside the country. By the 1960s, "USA" on our products was standard, before World War II it was less common. State and city is more often seen on stuff from the early 20th century and back.