Well, that first picture posted Spooked me a bit. It doesn't appear to be a Potter hull but someone tweaked the spray rail as Ken said. What does your title say?
Here's a Potter Hull pic with the bow lifting strake.
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1978 23' Superfish/Potter Bracket 250HP --------
as "Americans" you have the right to ......
"LIFE, LIBERTY and the PURSUIT of a Classic SeaCraft" -capt_chuck
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