Double headed eagle: Did you mean...?

Tahitian Double-Hulled War Canoe or Pahi by Giulio Ferrario (1767-1847 CE). From an engraving published in 1827 CE.

This remarkable cast Roman vessel contains a 2nd miniature vessel attached to its base. Double vessels/flasks have been discovered in both western and eastern parts of the Roman World. This suggests that craftsmen were in direct contact with...

A double vessel with a base of four bulls. From Shuruppak (modern-day Tell Fa'rah, Iraq), southern Mesopotamia. Early dynastic period, 2570-2342 BCE. (Istanbul Archaeological Museums/Ancient Orient Museum, Istanbul, Turkey).

Stoneware double-fish flask with brown glaze. 25 cm (height). Tang Dynasty, 600s-700s CE. Xi'an Museum. (Photo taken at the Art Gallery of NSW, Sydney Australia)

Golden double shekel from Tyre in today's Southern Lebanon, dated 104/103 BCE, two decades after the Phoenician city regained its independence from the fading Seleucid Empire, depicting the head of deity Tyche (Fortuna), wearing a crown of...

This double-tubed unguentarium (a small container that probably held oil) was decorated with two spiral threads. From Mesopotamia, Iraq. 226-750 CE. The Sulaimaniya Museum, Iraq.

Painted double-handed terracotta jar. 8th century BCE. From Bogazkoy (Boğazkale) or Carchemish, in modern-day Turkey. (Museum of Archaeology, Istanbul, Turkey).

This two-headed statue (upper torso) was made of lime plaster, reed, and bitumen and was found in modern-day Ain Ghazal city in the outskirt of Amman, Jordan Hashemite Kingdom. Between 1983-1985 CE, 15 statues and 15 busts made of lime plaster...

Athena, Hercules, and a two-headed Cerberus, with a mane down his necks and back. Hermes (not shown in the photograph) stands to the left of Athena. Attic black-figure amphora from Kameiros (Rhodes), c. 510 BCE. Louvre, Paris.

A silver coin depicting a man-headed bull from Gela, Sicily. 5th century BCE (Numismatics Museum, Athens)