My Dad was my Best Man at my wedding - he was, simply, the best man I ever knew. If he were still alive, I'd be giving him a bottle of Bois du Portugal, and I'm pretty sure he'd like it as much as I do.
Enjoy your time with your Dad. It's hard to go wrong with a Creed fragrance you already know he and your Mom like.
Happy Father's Day to all of the Basenotes fathers !!!