More on these....
They are winged human headed bulls, a symbol offering protection (via magical powers) against enemies. They were sculpted during the reign of Sargon II to guard one of the gates of his palace, which was excavated (1843, 1928-35) in present day Khorsabad, Iraq, near Mosul.
This information is from the Oriental Institute of the University of Chicago:
Khorsabad takes its name from a modern Iraqi village that stands on the ruins of an ancient city called Dur-Sharrukin. Dur-Sharrukin ("Fort Sargon") was constructed as a new capital city by the Assyrian king Sargon II shortly after he came to the throne in 721 B.C. The city had not been completed when Sargon died in 705 B.C. His son and successor, Sennacherib, moved the capital to the old established city of Nineveh, about 15 miles to the south, and Dur-Sharrukin appears to have been largely abandoned.So the bull went to Chicago, but it seems that it now resides at the Louvre. The antiquities found at Khorsabad went to the following museums: the Iraq National Museum in Baghdad (looted), the Oriental Institute Museum in Chicago, the Louvre in Paris, and the British Museum in London.
...Early in April of 1929, workmen excavating outside what would later prove to be the throne room of King Sargon II uncovered fragments of a colossal human-headed winged bull. The sculpture had fallen face downward onto the pavement, had then been covered with the debris of the falling building, and was thus perfectly preserved, although broken into a number of pieces. The expedition's field director, Edward Chiera, [newly appointed to the University of Chicago] was uncertain what to do with this new discovery and immediately cabled Breasted:
"FOUND WINGED BULL FIVE METERS BY FIVE FACE TURNING SIDE WAYS GOOD CONDITION STOP SHIPPING POSSIBLE MONTH MAY ONLY STOP COST TRANSPORTATION ABOUT TEN THOUSAND DOLLARS STOP DIVISION APRIL TWENTY SIXTH STOP SHALL WE ASK FOR BULL."
Breasted promptly cabled Chiera to ask for the piece during the division and to make all necessary arrangements to transport the bull to Chicago, even though he had no money in his budget with which to foot the bill. Pierre Delougaz was placed in charge of the transportation, which proved to be an extremely arduous task.
Sargon II was one of the first to use numerology in construction.
"Numerology, the science, is based on the understanding that each number has an inherent vibration which provides the key to greater self awareness. This ' vibrational quality ' of each number originated before an alphabet was created! When sounds were originated, they were originally assigned a number as a way of counting - eventually this numbering system was used by the Babylonians: King Sargon II, who ruled Babylonia in the 8th Century BC used the numerical value of his name to determine the length of a wall in the city. Hebrews applied this method to one of their first alphabets. Through this way of applying sound and number they were able to determine that by adding the numeric values of letters and words together they could create values that equaled the 'vibration' or 'quality' of the actual letter or word that was being spoken. This method was eventually named Gematria: "a system for discovering the true and hidden meaning of words, using numbers and letters of the alphabet. The numerical values of the letters of words are added together, and then interpreted according to other words with the same numerical values", from Harper's Encyclopedia of Mystical and Paranormal Experience."
Note: Solomon building?
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Here is a diagram of the Palace of Sargon at Khorsabad. The lucky charms were at one of the gates, but I don't know which one.
Here's some history about Sargon II: