Ferrari F40 lexan sliding plexi window set (4pc)

This is an original set, new old stock with engraved Lexan markings set of 4 plexi windows for the F40.
The plexiglas is still bright white, no yellowing.
RH sliding lexan window part number 70000542
LH sliding lexan window part number 70000543
Quarter windows part numbers 62397700 & 62397600
Sold as a set of these four parts (2 quarter windows and 2 door windows)

We can also supply the following new F40 parts, sold individually:
70000544 RH quarter lexan window
70000545 LH quarter lexan window
62586900 RH lexan door window 
62587000 LH lexan door window 
62397600 RH rear lexan window
62397700 LH rear lexan window
62397300 Rear window