2-Tone Grey Faux Leather Slide Case

179 slides in a 180-slot unmarked case.
The slides have a mixed set of markings with no obvious sequence.
Disintegrating foam plastic in the lid has been removed but there is still some beneath the slides.
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The first slide bears a presentation title:
"Financing Aerospace in Europe
The Changing Role of Suppliers
Avionics
An Enhanced Role in Aircraft Programmes
Frankfurt Marriott Hotel, Frankfurt am Main, Germany
9-10 December 1996
Brian G.S. Tucker Managing Director,
GEC-Marconi Avionics International"