3 1/2″ x 7″ (standard stereoview). Thomas Houseworth & Co. Exterior of the Old Mission Church – Mission Dolores, dedicated in 1776. Notes: Image is sharper than scan. Do you collect stereoviews? I have over 20,000 stereo images in stock. My items generally include a wide variety of topics and photographers. If you don’t see it, ask! You may view current offerings here. Powered by SixBit’s eCommerce Solution.