Welcome to TNet AFZAL!
I'd say print plate for newspaper advertisement. First find out how late the printers, in your area, still used offset type. You might attempt to date the plate by referencing the fashion period of the man's clothing. Think in terms of a haberdashery or a store that sold festival costuming or even a cleaners.
Study up on the newspapers or printers that operated in the area during that time period. If you can locate a newspaper archive from that era, search it for comparable adds. Also search for print plate collectors in your region.
Best wishes!