Well took the plunge and bought her, seller upped his price to $275, claimed he paid $500 in Nanaimo last year.
Here are some dimensions;
15' 10" L, 34" W @ mid thwart, 35 1/2" W 2 planks down, 14 1/2" D @ rib top, 15" D @ plank top to bottom of board placed across gunwales.
Ribs 2 1/4" W x 3/8" thick, spaced 2 1/4" to 2 3/8" apart, tapering to 1 1/2" at tips. All tips appear to be sound, no rot.
Stern seat hanging 2" to 2 3/4" below inwales, fwd seat 1 7/8" to 2" below, both 7 slats.
Mid thwart attached with 4 steel carriage bolts and other with just 2.
Also could make out most of a stamped serial # on fwd stem; 9_72(?) 1452(definitely)
4 or 5 cracked planks with 1 having a hole punched in and 2 cracked ribs at the chine on opposite side of cracked planks.
Rotted outwale, ends of inwales rotted and stem tops, though it doesn't appear to extend to far down.