I am unsure if these are New Old Stock or modern reproductions, or possibly a mixture of both. Some have patina on the screws & fixings seeming to indicate older stock, whereas others have bright screw heads, as on the mirror shown.
 
Part Name: Sprint & SS Interior Rear View Mirror, With Frame
AlfaStop Product Code: 1CWB177
Original Alfa Romeo Part No: 101.02.61.004.00
Model: Guilia 101 Series, Giulietta 750 & 101
Quantity Per Car: 1