
Whew. Found the commemorative magazine supplement.
I was wrong about the size of the crowd photo at Dam Square, and am now not sure if Gerrit, our Dutch friend, was even there with us. He may just have known that we went. So, because Geewits asked... 

There we are - can you see me? In the bottom right
^ corner. I've long blonde hair, wearing what looks like an orangey jacket. There is a young,
skinny, bearded man in a brown suede jacket looking up - that's Allen. Don't know who those other 1,996 people are.