As Sir Mario Costa Pinto stated
here, there were indeed 3 of us on M3W's, on this particular Portuguese event.
And, yes, yours truly was one of the bunch. Thanks to Mario, that is. Because I didn't write down on the calendary this particular event, and if it wasn't for Sir Mario, it would have skiped me.
Here are some pictures for your viewing pleasure.







images uploadYou can see Mario with his Brooklands in the background.
This is the gallery with pictures of all the other 202 cars.