Looks like you might want to drive to Lynden, WA. Take a diagram of the exact spacing of your pulpit feet and height, general shape, etc.
sailboatwreckingyard.com
From the look of this one photo, the stern pulpit may have been optional.
sailboatdata.com
Edit: Given the low probability of finding a part from a sister ship, also focus on pulpits from many boats with a similar beam and length, so the angle of the deck at the bow would be similar. Your set of measurements will also confirm this.