CHANEL Le Vernis Nail Colour 601 Mysterious 2 Piece Set New In-box

CHANEL Le Vernis Nail Colour in 601 Mysterious. In the original Black and gold Chanel box 13 ml, 0.4 fl oz New, 2 piece set I didn't see any expiration date but there is the number 6401 and 6201 on the bottom of the box and the bottles. It could be a batch number.