Wow guys, these look great!
I wish I had so much will to design those labels, stick them to every bottle and them remove them when bottling next batch...

I'm too lazy to do that, so I just use different color caps and 19mm round labels on them – not much info, but you can identify them easily, and the biggest benefit for me – just toss it away along with the cap – no need to remove labels from bottles
Here are some of my cap labels. (sorry, I'm form Europe, so these are in my language)
View attachment 565824