“It is currently kept in the British Museum” aka Museum of Stolen Goods ;-)

That’s pretty hilarious. Although without looking it up I would bet the first use of writing would have been ownership documents and transactions

The first ad was just a crude drawing of a shapely woman with an arrow pointing eastward. Urgak thought his addition of a penis to the drawing would bring in more customers and in flash of genius Kalik devised a counting scheme a lot more flexible than the stones they were using. It turns out Urgak’s suggestion was statistically insignificant but they all agreed that they liked the addition of the penis so they kept his variation.