Chalcedony paving slab from a palace (ca. 600 BCE) on display at the Rosicrucian Egyptian Museum in San Jose, California.  Used by kings to record their deeds, the cuneiform carved into such slabs made them non-slip. <br>(note) Line 1, 1st cuneiform sign (left) for "house", "palace", <b>É</b>. (4 verticals, 2 horizontals ligatured at left (overscribed by the 4-verticals))  RC 1801
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