Oh yeah I remember lol. I remember people collecting empty cigarettes packs (Dunhill , Rothmans etc).

Not sure if you remember these bulgarian cigarettes called BT, which were seen as a high quality cigarettes. I remember Vikend, HB, and one of my favourites, non filter cuban cigarettes "Popular".
Marlboro was hard to get but Kent was the cigarette pack which could open many doors lol...

1-2 years ago I met a US WWII airforce veteran who was POW in Romania. In 70's he went back to visit Romania. He was very surprised to find out that with Kent he could get pretty much whatever he wanted.