I bought these old bikes from a nice old lady she had them in a barn covered with years of dust a few nice old bikes and trikes the two small bikes in the back are marked betty lou and bonnie sue that was so cool , bonnie sues is the old blue western flyer with rear facing drop outs and betty lou bike is the red convertible warrior a couple of nice old tricycles a little huffy dirt bike the orange girls bike badged as a Spiegel airman looks like a DP Harris chain ring wide fenders with front loading delta . the best for last is the red boys bike badged as a sun racer S.B & CO Chicago IL not sure of the mfg looks maybe late 30’s or early 40’s also with front loading delta the chain ring looks like one I have seen before just not sure any ideas, the sn was on bb 14 E H 100815