Umberto I (Humbert I), Poste Italiane (Italy), 25 Centesimi, blue, stamp

country: Italy (Poste Italiane)
topic: Umberto I (Humbert I)
theme: Emperor
type of stamp: postal stamp
color: blue
year: ?
postal value: 25 Centesimi
designer: ?

Information:
Umberto I (Humbert I) (14 March 1844 – 29 July 1900), was King of Italy from 9 January 1878 until his death (29 July 1900). He was deeply loathed in far-left circles, especially among anarchists, because of his conservatism and support of the Bava-Beccaris massacre in Milan. He was killed by anarchist Gaetano Bresci.
(source: Wikipedia, Read more about Umberto I (Humbert I) of Italy on Wikipedia)

Umberto I (Humbert I), Poste Italiane (Italy), 5 Centesimi, green, 1906

country: Italy (Poste Italiane)
topic: Umberto I (Humbert I)
theme: Emperor
type of stamp: postal stamp
color: green
year: 1906
postal value: 5 Centesimi
designer:

Information:
Umberto I (Humbert I) (14 March 1844 – 29 July 1900), was the King of Italy from 9 January 1878 until his death. He was deeply loathed in far-left circles, especially among anarchists, because of his conservatism and support of the Bava-Beccaris massacre in Milan. He was killed by anarchist Gaetano Bresci two years after the incident.
(source: Wikipedia, Read more about Umberto I (Humbert I) of Italy on Wikipedia)

Umberto I (Humbert I), Poste Italiane (Italy), 10 Centesimi, red, 1906

country: Italy (Poste Italiane)
topic: Umberto I (Humbert I)
theme: Emperor
type of stamp: postal stamp
color: red
year: 1906
postal value: 10 Centesimi
designer:

Information:
Umberto I (Humbert I) (14 March 1844 – 29 July 1900), was the King of Italy from 9 January 1878 until his death. He was deeply loathed in far-left circles, especially among anarchists, because of his conservatism and support of the Bava-Beccaris massacre in Milan. He was killed by anarchist Gaetano Bresci two years after the incident.
(source: Wikipedia, Read more about Umberto I (Humbert I) of Italy on Wikipedia)

Emperor and King Franz Joseph I, Austria-Hungary (Oesterreich), stamp, OESTERR. POST, KAIS. KOENIGL, 10 HELLER (1883-1907), 1904

country: Austria-Hungary (Oesterreich)
topic: Emperor and King Franz Joseph I with varnish bars
theme: King / Emperor
code: 110
type of stamp: postal stamp
color: red
year: 1904
publication date: 01/12/1904
postal value: 10 Heller
designer: ?

Information:
Austria-Hungary. Oesterreich is the German name for Austria. Kaiser und Koenig is German for Emperor and King. When Austria and Hungary were united under a single ruler, he held the titles of Emperor of Austria and King of Hungary, so they often put Kaiser und Koenig on their stamps, or an abbreviation such as KuK. (source: Wiki Answers, read more about Austria-Hungary on Wiki Answers)

Franz Joseph I or Francis Joseph I (German: Franz Joseph I., Hungarian: I. Ferenc József) (18 August 1830 – 21 November 1916) was Emperor of Austria, King of Bohemia, King of Croatia and Apostolic King of Hungary from 1848 until 1916. (source: Wikipedia, read more about Franz Joseph I on Wikipedia)