Brno. Real or fake?  

First post.  Bought this chair from an auction. Would love to know if it’s real or a replica.

Feels substantial - weighs about the 41 lbs that an authentic one weighs (my scale is a bit off so I can’t be exact).  High quality leather.  Not sure if this matters, but there is no leather piping trimming the underside of the chair.  Magnet sticks to “some” parts of the legs but not everywhere.  There are no signatures or labels.  The only tag is a small white fabric tag with the number 2 on one side.  Only concern is that there is a spot in the bottom corner of a leg where you can see a very minor welding mark.  I would guess that authentic would be flawless.