Bob Kuykendall wrote:
What's the serial number?

According to the FAA, serial number is 70. Was probably built by
Schreder and finished just in time to make the boat to Poland!
Registered to current owner in October 1970. Date reistration was
revoked is not known, but I am going to assume mid 1970s. That is when
the FAA would revoke your registration for not returning the Trienial
Report.