I've Colin Field to thank for my French 75 epiphany. One evening in early June 2017 I was sat at his bar (Bar Hemingway) and he showed me the vintage 75ml...
I have Robert Vermeire's book. I also have a Collins glass very similar to the one pictured. What I couldn't find this New Years Eve was the French brandy - housewights must have been partying again! So it got two measures of Calvados instead. A very fine cocktail.