Joined: Sep 2002
Posts: 1,577
Likes: 6
From: Springfield, MO
Bikes: '75 Schwinn Paramount P-10, '86 Ritchey Commando, '87 Schwinn Cimarron, '91 Trek 990, '87 Schwinn High Sierra, '73 Schwinn Super Sport, '4? Schwinn New World, '76 Swing Bike.
1Fxxxxx is a June of 1991 date (not sure if Panasonic was putting the actual year or the "model" year in at this point). The serial in the lower headlug is a Panasonic thing (though not always -- as in many of the bikes they built for Schwinn).
Bob