Are these trousers vintage YSL?

[Flybynight]

Hi All

I purchased these trousers for £20 in a Vintage clothes shop in a Bath. Are they genuine YSL? What date are they from, I thought maybe 90's?
Thanks off your help.

L

 

[Pinkcoke]

We cannot help with authenticity as per the forum rules.

The RN number gives this info:
https://rn.ftc.gov/pls/textilern/wrnquery$tts_rn.queryview?P_RN_TYPE=RN&P_RN_SEQ=87804&Z_CHK=47587

Detail Information



RN Type:RN
RN Number:87804
Legal Name:PARIS COLLECTIONS INC. (212) 418-0757
Company Name:PARIS COLLECTIONS INC. (212) 418-0757
Business Type:IMPORTER,WHOLESALER
Address Line 1:543 MADISON AVE.
City:NEW YORK
State Code:NY
Zip:10022
Product Line:

 

[colleen rose]

Hi All

I purchased these trousers for £20 in a Vintage clothes shop in a Bath. Are they genuine YSL? What date are they from, I thought maybe 90's?
Thanks off your help.

L

Are these high-waisted with belt loops?

 

[Circa Vintage Clothing]

I think they might be '80s.