I’ve been playing for over 50 years and this was my first hole in one. We all saw the ball rolling toward the hole and then disappeared. We thought “Hole in one”. As we were driving down to the hole I thought I saw a ball behind the flagstick and that’s why we lost sight of the ball. When we got up to the hole we saw the ball wedged between the stick and the hole with more than 1/2 the ball below the rim of the cup. Here is a pic showing what it looked like.