As far as I know Woolies don’t stock the original cloth trim for a TA, you need to go to Depanoto, Fransen, CTA etc. if you want to keep that ‘original’ look, but it’s not cheap I’m afraid which is why some choose to do something else
Example of a Post 52 interior cloth http://www.citroen-traction-avant.com/Content/DetailArt.aspx?COD=000.104&SPR=4&AKTSEITE=065&RETURNURL=http://www.citroen-traction-avant.com/Content/C_Produkte.aspx?SPR=4&KATSEITE=065