Wow! and you can read more about such numbers, I don't know anything about it, thanks.Looks like an officer's army serial number with a prefix 0 (for officer's) and the last 4 digits of his own serial number.
An officer's serial number that low is pre-WWII. More a modern laundry using your SSN last four, last name, OLooks like an officer's army serial number with a prefix 0 (for officer's) and the last 4 digits of his own serial number.