Hi, thanks for helping!
The seller just responded and provided further pictures (below). Sorry I wanted to edit the post with more photos but I wasn't sure how, and I didn't want to double post/break posting rules.
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OK. It's an authentic Planetes 2605. It's about 14 yrs old and yes, the smooth lether peel like that on the handles. Last I was in the boutique, Longchamp told me that they would put new handles on my black Planetes for $30 so that's an option if youre interested.