That's what the article hints at. The chair was taken before the set refresh for Generations. There are, apparently, quite a lot of visual changes over the seas

That's what the article hints at. The chair was taken before the set refresh for Generations. There are, apparently, quite a lot of visual changes over the seasons: https://www.ex-astris-scientia.org/inconsistencies/enterprise-d-bridge.htm https://www.ex-astris-scientia.org/inconsistencies/enterpris... But given that that second chair barely had time to absorb Picard's essence before they sailed that part of the ship into a planet, I would guess that its value is a fraction of that of the original one.