The label looks like Serbian, and says:
Гарантовано природна (garantovano prirodna) = Guaranteed Natural
стара 10 година (stara 10 godina) = Aged 10 Years
I don't see anything that identifies it further. But if this was offered as a "typical" Yugoslav gift, it might well be barrel-aged plum brandy (slivovitz).
Coffee can definitely be mixed with tequila.
However most recipes do not stop at simply a tequila/coffee mixture. The vast majority of such drinks involve a few more ingredients into these types of drinks.
A friend of mine is a great fan of kahlua, so obviously we like to make something similar to a Mexican Coffee.
10 ounces coffee (...
Certain spoilage bacteria can give an acetone like flavor. I’ve personally had a batch of homemade wine turn out with this flavor after being improperly sanitized beforehand. However, the wine itself was perfectly safe to drink, and I’ve gone though many bottles of it no problem. In my experience, most liquors simply get a bad taste when they spoil, and aren’...
There are a ton of cocktails that mix tequila and coffee. There are three options for the coffee part of it: canned/bottled, liquor/liqueur, and home brewed/coffee house. Home brewed coffee is fun for experimentation and there are a lot of variables to work with. Coffee has three different growing regions, different roasts, and brewing methods. These things ...
How to choose spirits?
An in-depth spirit knowledge will help you a lot when making cocktails at home. Not all beginners would have this practical knowledge yet. So here is a short list of five (5) essential spirits a cocktail party thrower might need to create liquid deliciousness.
Rum: Sugar cane based spirit
Whisky: Grain based aged spirit
Tequila: Agave ...
All of them may be had straight, as they often are in the places from where they originate.
Having said that, some people find cheaper spirits more palatable when mixed:
Vodka + orange juice
Whisk(e)y + Coca Cola (or Ginger Ale) + perhaps some squeezed lime
Rum + Coca Cola + squeezed lime
How much mixer to use, is up to individual taste. Some might prefer ...
I either pour a little at the bottom of a glass, and then add prosecco... or as of late...
I pour a shot of it into a fruity beer, such as a cranberry/ raspberry sour. I call it an italian car bomb. It's surprisingly refreshing.