Well at one point the year will move and if noone posts anything for more than 24 hours I think it is fair to assume that we can continue......
Kingdom of Serbia - 50 Para - 1915 - King Petar I. [ATTACH]
1915: Kingdom of Italy - 2 Lire - 1915 - King Vittorio Emanuele III. [ATTACH]
German Empire - Medal - 1916 - War donation [ATTACH] The motto of the medal is "I gave gold for the defense and earned iron as honor". This iron...
German Empire (Territories in the East) - 2 Kopecks - 1916 [ATTACH] Minted for the territories germany conquered from russia
Thats a nice coin, I lately received an earlier Florin of the same Emperor: [ATTACH]
1916: German East Africa - 20 Heller - 1916 [ATTACH]
An interesting man indeed, and its always nice to add a new emperor to the collection. Here two Maxentius coins from my collection: Emperor...
Greece is the right country - now to the coin
Sadly no, you have to looks more south ;) Little hint: The issuing country is located at the mediterranean sea.
Ok here it is: [ATTACH]
Hungary - 2 Filler - 1917 - Emperor Karl I. [ATTACH]
I would have guessed an old german 9 Pfennig piece like this one: https://en.numista.com/catalogue/pieces106168.html
Gwalior - 1/4 Anna - 1917 - Maharaja Madho Rao Scindia [ATTACH]
1917: Norway - 1 Krone - 1917 - King Haakon VII. [ATTACH]
Austria-Hungary - Bravery Medal - 1917/18 - Emperor Karl I. [ATTACH]
Youre right and thats an interesting poster, I wonder how it would looks like if you add the landmass of the other countries colonies ;)
First hint: Its from a small european country (But not a city state)
Separate names with a comma.