If you have the cradles for the post you can likely sell them for enough to buy another seatpost.
However what is the quality of the frame? Nice DB Chromo? Or something like Tretubi ChroMo and mystery metal?
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk