If the background of George picture is silver in a certificate?

There is no information provided about George's picture or a certificate in the context, so I cannot determine the background color of the picture.

Elizabeth of Bosnia (-1387)
Elżbieta Bośniaczka and Maria (photo:public domain) Elżbieta Bośniaczka (around 1340–1387) - wife of Ludwik Węgierski, mother of Queen Jadwiga. Elżbieta Bośniaczka was the only daughter of Stefan II Kotromanic, ban of Bosnia and Piast, Elżbieta Kujawska, daughter of Kazimierz III, prince of Gnie
Jeanne Deroin, legislative candidate in 1849
A feminist and socialist activist, Jeanne Deroin (1805 – 1894) made headlines in 1849 by presenting herself as a candidate in the legislative elections, at a time when women were neither voters nor eligible. The subjugation of women Jeanne Deroin was born on December 31, 1805 in Paris in a modest
Alexander the Great, conqueror of the end of the world
Alexander the Great (356-323 BC) was an ancient Macedonian king and was one of the greatest conquerors in history. Educated by the philosopher Aristotle, he became king in 336 BC after the assassination of his father Philip II. After suppressing several revolts, in 336 BC. AD, Alexander leads a vast
Jacques de Molay(1243 - 1314)
Jacques de Molay is the last Grand Master of the Templars. He is more of a soldier than a politician, which will not be without consequences in the fall of the Order. Clumsily, the Templars will display their wealth, while they will be reproached for not having been able to keep the Holy Land, by in