When I bought my P19 (Sail #106) it was trailered at the Miami Yacht Club right next to the one-off P20. After I closed the deal on my boat (back in 1989) I went to the MYC to pick it up on a Saturday afternoon and Mr Onsgard was there doing something on his boat and he gave me and my brother the grand tour. I do remember that impressive bow sprit that was about 12-14 feet long. IIRC there was an 'add-on' plug right in front of the fwd crossbeam as well as aft of the rear one.

Jimbo