Originally Posted by
rekmeyata
That crack was actually pretty common back in the day with Schwinns like the Suburban, Varsity, Continental, etc that used that electroweld process, I use to see that a lot which is why I never thought much of those types of Schwinns. Of course kids were riding a lot of those and they were abused but still the process was not a very sturdy one which is opposite of what most people would have thought who didn't live back then and rode those bikes like I did and a lot of friends did.
Continentals did crack through the seat tube just above the BB shell. Mine did back in the mid-'70s. This, however, is not a Continental unless someone brazed on under-BB cable guides and different bridges and repainted the frame. Stickermouflage is my guess.