Yes, yes, it's a spirituous cocktail without fruit juices that best shows its crystalline beauty when stirred rather than shaken. However, it's the one...
Sipsmith Gin,very Juniper forward, and Absolut Wheat Vodka. Then, because we have no Kina type aperitif and taking inspiration from Gabriella14's query below we used 1/6th Lillet Blanc and 1/6th Suze; this produced a delightful dry, herby but clean drink with the most beautiful yellowy hue. Wonderful.
Also, Vespers is a Church of England early evening service, usually around six o'clock; it is not inconceivable that Ian Fleming, as an expat Englishman, enjoyed the joke when telling his guests it "was time for Vespers!" and then serving his chosen Cocktail.
Also, Vespers is a Church of England early evening service, usually around six o'clock; it is not inconceivable that Ian Fleming, as an expat Englishman, enjoyed the joke when telling his guests it "was time for Vespers!" and then serving his chosen Cocktail.