This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Authentica repraesentatio Insignivm Reichsapfel beide Ansichten. Authentica repraesentatio duorum Insignivm Imperii RomanoGermanici Extat in Officina Homanniana Daselbst zu finden bey Peter Conrad Monath Detail Reichsapfel Vorder und Rcksansicht hier zusammenkopiert im Originalstich links und rechts der Krone zu sehen mzk cz workshop