Wayne Collins, this cocktail's creator, originally used equal parts as is usual for a classic Negroni, and after trying various other formulations, I've...
Haven't got the Kina yet but I did try the Topgallant. It's excellent and on the favorites list, thanks for the suggestion. Wasn't the Bonal I was out of but the Cocchi Storico and now I have both. Yaay! How are you liking the Strega?