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[snip] Carbon dating techniques reveal that the objects date back 4,400 years to 2400 BC – preceding any other known alphabetic scripts by roughly 500 years... At Umm-el Marra, the archaeologists uncovered tombs dating back to the Early Bronze Age – a period stretching from about 3500 to 2000 BC. One of the best-preserved tombs contained six skeletons, gold and silver jewelry, cookware, a spearhead and intact pottery vessels. Next to the pottery was four of the 'lightly baked' clay cylinders or tubes with what seemed to be alphabetic writing on top. [/snip]