Bubeck is mentioned as driving the Europa from 1972 on in Racing Sports Cars but no photos,
this from Wikipedia about Lotus Europa:
Specials
Throughout its life, the Europa attracted the attention of many Lotus and non-Lotus automotive customising businesses who offered "special" versions in small numbers to the public. Among these was the Swiss Lotus importer, who made two special versions of the S2 fitted with the Renault 16 TS type 807 engine, the "Europa Hemi 807" and the fuel injected "Europa Black Shadow 807". The Hemi 807 had 105 PS (77 kW) SAE and could attain a speed of 200 km/h (124 mph), while the Black Shadow had power output of 137 PS (101 kW). The Black Shadow also received a five-speed gearbox.[15] These cars had a wider track, special wheels and stickers, white indicator lights up front, and featured extractor vents high on the side panel behind the rear door. The fuel injection system was from Kugelfischer. In 1971 two Lotus Hemi were entered as Group 4 GTS at the international hill climb race St. Ursanne Les Rangiers and Ollon-Villars driven by the Swiss divers Oskar Bubeck and Alfons Tresch.[16]
So someone knew about them
Those results were from
http://www.euromontagna.com/results...._race=34&lng=1 then here
http://www.euromontagna.com/makes.ph...us&type=Europe