Do historical records, monuments and artefacts make economic sense?

Recently, I came across my grandfather’s original marriage certificate dated 1924. It is the oldest document in the family. The certificate describes his occupation, that of his wife and the priest who solemnised the wedding and the place.

Another gentleman shared with me the discharge certificate and the medals of his father who served in World War II, from 1939-1945. The records show he was a driver and was discharged with conduct, very good. He served in Abyssinia (Ethiopia) as a driver.