the key to dicipher the hieroglyphs with Greek and demotic carvings
Haha i give you the short story or read the longer part anyway
Short version
Napoleonn team discovered it, when the french where defeted England say it's there property,, ( Property of England... realy ... Dr Hawass..... and even me...... not agree haha)
the picture is Hq And show with enlarge the details see below on the next pic.
From French to British possession
After the surrender, a dispute arose over the fate of the French archaeological and scientific discoveries in Egypt, including the artefacts, collected by the members of the French commission. Menou refused to hand them over, claiming that they belonged to the institute. British General John Hely-Hutchinson refused to end the siege until Menou gave in. Scholars Edward Daniel Clarke and William Richard Hamilton, newly arrived from England, agreed to examine the collections in Alexandria and said they had found many artefacts that the French had not revealed. In a letter home, Clarke said that "we found much more in their possession than was represented or imagined".
Hutchinson claimed that all materials were property of the British Crown, but French scholar Étienne Geoffroy Saint-Hilaire told Clarke and Hamilton that the French would rather burn all their discoveries than turn them over, referring ominously to the destruction of the Library of Alexandria. Clarke and Hamilton pleaded the French scholars' case to Hutchinson, who finally agreed that items such as natural history specimens would be considered the scholars' private property. Menou quickly claimed the stone, too, as his private property. Hutchinson was equally aware of the stone's unique value and rejected Menou's claim. Eventually an agreement was reached, and the transfer of the objects was incorporated into the Capitulation of Alexandria signed by representatives of the British, French, and Ottoman forces.
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Patrons at the British Museum view the Rosetta Stone as it was displayed in 1985