Old Humble Choice extra. Region restricted, I think I hit all the right boxes but just to be sure here's the warning message, in case you want to double check:

This key is not available in the countries listed below. If the gift recipient is located in one of these countries, they may not be able to redeem the key.
AG AM AR AZ BB BO BR BS BY BZ CL CN CO CR DM DO EC GD GE GF GQ GT GY HN HT IN JM KG KN KZ LC MD MX NI PA PE PY RU SR SV TJ TM TT UA UY UZ VC VE