Here is a New Old Stock RAL Brake Master Cylinder (tatty box) for

Fiat Panda

750 1/1986-10/2003

900 10/1980-12/1996

1000 1/1985-12/1992

1000 i.e. 10/1987-8/1998

1000 4x4 1/1986-12/1994

1100 5/1991-9/2003

1100 4x4 2/1995-7/2004 models.