Claim: FSV Optik Rathenow club merged with Turnverein Vater Jahn Rathenow to create VfL Rathenow and was renamed BSG Verkehr Rathenow in 1948.
Evidence: In the 1930s this club merged with Turnverein Vater Jahn Rathenow to create VfL Rathenow, which went on to play second division football in Berlin-Brandenburg. This was renamed BSG Verkehr Rathenow in 1948.