11th-century memorial stone found in Uppland, Swed., bearing a runic inscription carved by Asmund Kareson (Osmundus), earliest known professional rune carver in Uppland. The stone is inscribed with a Maltese cross surrounded by two intertwining serpents and bears the message: “Ragnfrid had this stone erected in memory of Björn, her and Kättilmund's son. God and God's Mother help his soul. He fell in Virland 【in Estonia】. But Asmund engraved 【the stone】.” A replica of the inscription was found on another stone at Frösunda, Swed.