I recently took a trip to Florence with LOML. She was very patient as I photographed every piece of wood carving that I saw. I really loved this door from the Palazzo Pitti and I'm thinking about reproducing a couple of these panels but I can't figure out what kind of wood it is. This is certainly not the walnut that I get around here. Any ideas on what this is?

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BTW, If anyone needs some carving inspiration I took about 75 pictures of different carvings in Florence.