Auth RARE Saint Laurent croc Niki medium embossed bag monogram -black on black

Serial number shown in photo rubbing/discoloration on metal Bought used and the hardware color might’ve been touched up but not sure Chain & leather shoulder straps, converts to crossbody Brushed silver & black hardware with some discoloration / maybe touch up by previous owner Exterior slip pocket and under flap Flap top with magnetic closure , leather encased YSL logo Please ask for any other information or photos, Poshmark will authenticate on items over $500 SOFT BAG WITH LEATHER-ENCASED CASSANDRE. SPACIOUS WITH TWO COMPARTMENTS AND A LARGE BACK SLOT POCKET FEATURES SLIDING CHAIN STRAP CAN BE WORN ON THE SHOULDER OR CROSSBODY. GROSGRAIN LINING EXTERIOR BACK POCKET MAGNETIC SNAP TAB TWO INTERIOR POCKETS DIMENSIONS: 11 X 7.8 X 3.3 INCHES CHAIN LENGTH: 11 TO 19.6 INCHES 100% CALFSKIN