Roman Frister was born in 1928.
Roman Frister was a Jewish Survivor of the holocaust where he was forced to watch his parents die by the horrid Nazis.
Needlebar.com has a chart showing serial numbers against years. Serial numbers between 1,500,001 and 1,619,904 for Frister and Rossman were made from 1915 to 1920. I'm guessing in the latter part of that period by your serial number.
Roman Oben was born in Cameroon.
Roman Goginashvili was born in 1984.
Roman Vlasov was born in 1990.
Roman Bezsmertnyi was born in 1965.
Roman Rosdolsky was born in 1898.
Roman Shchurenko was born in 1976.
Roman Kudlyk was born in 1941.
Roman Matsov was born in 1917.
Roman Bartoszcze was born in 1946.
Roman Wójcicki was born in 1958.