I was given a "boarding pass" with his name on it when I went to the Titanic: The Artifact Exhibition at the Royal British Columbia Museum in Victoria, Canada in 2007. Strangely enough, I've always felt a connection to Belgium because of that! My condolences to the Van de Velde family.
My name is Anthony too, and I got your great-uncle on the card I was given as part of a Titanic museum exhibit I went to see. Everyone is given a card with the name of a real Titanic passenger, and your great uncle was the one on my card.
Best regards, from Canada.