The left one is most likely from the reign of Contantius II. - the mintmark is gone but something like this one:...
Kingdom of Spain - 1 Centimo - 1906 - King Alfonso XIII. [ATTACH]
1906: Kingdom of Romania - Medal - 1906 - 40th reign anniversary of King Carol I. / 1800th anniversary of Emperor Trajans conquest of Dacia [ATTACH]
Its hard to choose favorites but here are three of mine: [ATTACH] Emperor Philipp I. - Tetradrachm - Antioch mint [ATTACH] Emperor Gallienus -...
Kingdom of Danmark - 10 Öre - 1907 - King Frederik VIII [ATTACH]
Same Reverse as my oldest but a different emperor: [ATTACH] Emperor Tiberius - As - Lugdunum mint Obv.: TI CAESAR AVGVST F IMPERAT VII Rev.: ROM...
Kingdom of Sweden - 2 Kronor - 1907 - Golden wedding of King Oscar II. and Queen Sofia [ATTACH]
Maybe a bit late but here some more: [ATTACH] Emperor Gordian III - Provincial Bronze - Nicaea mint [ATTACH] Emperor Constantin I. - Follis -...
GB - 1 Penny - 1908 - King Edward VII. [ATTACH]
1908: Kingdom of Bavaria - 3 Mark - 1908 - King Otto [ATTACH]
Since I'am more of a roman imperial collector my oldest would be this one: [ATTACH] Emperor Augustus - As - Lugdunum mint - 9-14 A.D. Obv.:...
German Empire - Medal - 1909 - The Emperors Maneuver of 1909 [ATTACH]
Grand Duchy of Baden - 3 Mark - 1909 - Grand Duke Friedrich II. [ATTACH]
Kingdom of Württemberg - 3 Mark - 1909 - King Wilhelm II. [ATTACH]
German Empire - 25 Pfennig - 1909 [ATTACH]
1909: Kingdom of Saxony - 3 Mark - 1909 - King Friedrich August III. [ATTACH]
Kingdom of Bulgaria - 1 Lewa - 1910 - Tsar Ferdinand I. [ATTACH]
German Empire - Medal - 1910 - Veteran Appeal - Emperor Wilhelm II. [ATTACH]
Kingdom of Portugal - 100 Reis - 1910 - King Manuel II. [ATTACH] Kingdom of Spain - 50 Centesimos - 1910 - King Alfonso XIII. [ATTACH]
German Empire - 3 Mark - 1910 - Emperor Wilhelm II. [ATTACH]
Separate names with a comma.