Vintage Cowichan Wool Sweater Thunderbird Eagle Pattern Full Zip Alpaca(?)

Vintage Cowichan Wool Sweater Thunderbird Eagle Pattern Full Zip Alpaca(?). Acquired from the original owner’s estate, they said the wool is alpaca. No brand or materials tag. Fits men’s XL, see below for best fit. Approx measurements pit to pit: 26” collar base to hem: 29” shoulder seam to cuff: 25” Item is pre owned. Excellent condition with minimal signs of wear. May have small or faint imperfections here or there but nothing I would consider a notable stain or other flaw. Hand washed prior to listing, so it’s ready to wear. Please refer to photos for detail.