It's Night Nurse.
Doyle had a cold.

If it was set in modern days, I'd have guessed Midori.
Probably because that's the only green liquor I know.
Thumbs Up, Thumbs Down and a Wagging Finger of Shame

I hung out in some dive bars when I was in my 20's and the bars had hard boiled eggs. It did not look like Gene was enjoying eating the egg.
Since 1950 all but two mass shootings happened in gun free zones, notice a pattern?

Hard boiled eggs were available at the bar that Paul Newman frequented in The Verdict.

Always thought it was absinthe cause the bartender would pick something expensive and didn't get often. And hard boiled eggs were very popular bar items at one time - replaced with all sorts of things now.

Chartreuse is my bet. Absinthe was banned in Europe until recent years when it emerged again but with an amended, and less lethal, recipe.
Fatima had a fetish for a wiggle in her scoot

Always thought it was mint syrup.

Looked like chartreuse to me.

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I've never heard of a boiled egg being served as a bar snack anywhere.does anyone know what he was eating?
It was a boiled eggand you just haven't hung around the right (or wrong) kinds of bars.

I don't know how old you are, but years ago many dive bars (shot and a beer joints) had hard boiled eggs , along with pickled eggs in a jar at the bar.
They were as gross as they sound.

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Actually the bartender says what it is. It is "Chartreuse Liqueur".
I am rewatching that scene now and the bartender does not seem to mention "chartreuse liqueur" or any name for that matter

Actually the bartender says what it is. It is "Chartreuse Liqueur".

Pernod is yellow

Has to be Pernod

For my money, I hope it isn't creme de menthe, and it just isn't the right colour anyways. Absinthe was not a terribly popular drink in the 70s as Pernod, the apertif created to replace Absinthe following its ban, was (and remains) well-established in French gastronomy, particularly in the south. Marseilles is not far from the region where Chartreuse is produced (Voiron, Isre, about 200 miles inland), and it appears you can see a blotchy symbol on the label that could be the Carthusian badge that all legal Chartreuse carries. Most importantly, Chartreuse is the only liquor of these that you can drink THAT MUCH, straight from the bottle, and not fall over or throw up. For my money, it's Green Chartreuse. Sant, Popeye.

In French cafs (not upscale bars but the typical local caf) it is very common for hard-boiled eggs to be available as a quick snack. It's not like peanuts or potato chips, you pay for them.

Moe has boiled eggs in brine on the bar in 'the Simpsons'. Can't say I get a hankering for eggs while drinking. I'll stick to the urine coated bar nuts.

also, Doyle was eating what looked like a boiled egg. I've never heard of a boiled egg being served as a bar snack anywhere.does anyone know what he was eating?

I'm going for Creme de Menthe. It's not only an ingredient, it's also an after-dinner drink. And the colour looked right.
I believe Absinthe is usually watered down, and I didn't see that happen.

Absinthe is nothing like that colour. It is Chartreuse.

Absinthe is what I thought it was also.

It has to be Absinthe. It is a strong spirit with an aniseed flavour & was very popular with Parisian artists in the late 19th century. It used to be banned in the US.