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I'd keep them.
We just had four doors replaced (they were horrible, yours look nice) and I showed the builder the knotty pine ones I wanted to replace them with. I got home and they'd fitted four doors with those cheap MDF fronts designed to look like wood grain, which my wife had signed off on while I was at work.
If you've got decent, solid wood doors, keep them - even buying a disappointing replica is quite expensive.
Question for the hive mind, we were quoted £90 to get two door dipped to remove the paints, sanding it down reveal the wood to look ok, but can’t really tell if it’s original(ish) wood or just a cheap door that I could spend £35-90 replacing with a new one instead.