#2 - Germany, Belgium occupation #3 - looks like Alwar? #4 - Spain
I think number 1 is Cuba. https://www.wikiwand.com/en/Postage_stamps_and_postal_history_of_Cuba (Modified by Moderator on 2020-03-21 06:09:21)
The MUSICMAN and OLDMANEMU know stamps.Thanks guys;much appreciated.