At John's suggestion below increased the gin. I went 45ml gin and reduced the orange juice to 20ml reduced the sweetness and orange notes which for me improved the overall balance of this cocktail which I very much enjoyed.

What are the chances; as I drink this, I am writing an anniversary card to my wife with a BIC pen, on the day the ballpoint pen came to be! Alas, it has been months that one has been able to purchase Green Chartreuse in Canada so I have used Yellow. I am surprised that unless I missed it, while there are Last Word variants that use Yellow Chartreuse, none use gin as the base spirit. So with the assistance of a Google search and AI, "I" can report that using Yellow in place of Green results in a "sweeter and less herbaceous, more citrusy finish" with less total ABV. Still, a very good drink.

Tried this tonight and have three comments. First, this is an excellent cocktail. Second, should anyone have reservations with added dilution if using "dry" ice, it very much benefits this drink. Lastly, if you love absinthe as I do, don't double the amount as I did (see De La Louisiane #2 which does use double the amount suggested here); I suggest you don't! It overpowered this otherwise lovely cocktail.

I don't think you are cavalier, but I rather suspect your bottles get finished more quickly than mine! I use 30%ABV as my cut off, but after reading your reply, I did a little more reading and was surprised to find that there isn't consensus on the 20-30% range. Further, I was baffled by the suggestion that in this range, if the base of the product was distilled it doesn't need refrigeration. Not sure I understand why distillation would make a difference if in did it does. Fortunately my wife has come to accept that the top shelf on our downstairs fridge has been permanently usurped for those 20-30% ABV bottles!