Morro Castle

"This view shows the gigantic fortification known as El Morro which stands at the narrow entrance to San Juan harbor. Although centuries have passed since it was fist built, the fortress is still well preserved."

This image also includes the decorative border around each of the pictures in this souvenir book.

Photo from a Souvenir book of Puerto Rico, published in the  1940's by Matias Photo Shop, San Juan, P.R.