Here's what I was able to come up with
model 27-69 = Chieftain Deluxe 8,4 door sedan
serial 2276903195 = numbers started at 2276900001 ( so a fairly early car )
engine P13080 = ? ( my book says numbers started at P37001 )
trim 471= ?
paint 251 = Atlantic blue ( a solid colour )
list price = $2822
weight = 3420 lbs
manufactured = Oshawa
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.