You do love your coins. Impressive. I hope you don’t scrimp on your boots and tools to keep your love for shiny things going. You work hard.
Just a little update - I did some "research" by searching on eBay. Took me some time but I had a long weekend this weekend. First I took my list of countries/territories and printed out a checklist. Then I took to flea-bay and search in World Coins for 1981 XXXXX where X = the country. Then I simply made note of all the ones that had 4 or less results and I saved the searches. I ended up with quite a few but some I had no listings and no completed listings either. As mentioned above...Cuba was one of them. A few surprised me such as the British Virgin Islands, Morocco, Cayman Islands. Those all returned almost nothing...there were plenty more as well. so I also set the price to under $50 so that I only get notified of new listings under that price. I have no interest in high priced coins at this time, and even that is probably double what I'd pay right now for any 1 world coin.