(January 10, 2025) This Mjölnir hammer dating to the 10th century was found by detectorist Torben Christjansen at Købelev on the Danish Island of Lolland. Over 1000 of these amulets have been found across Northern Europe but this is the only one with a runic inscription.
Source: National Museum of Denmark as displayed on their Past Horizons Exhibition. June 29, 2014 but now taken down. Image from National Museum of Denmark via H.M Clark website: https://www.hmclarkeauthor.com/the-hammer-of-thor/
Letters
HMAR x IS
which is translated as if it were a near English as:
Hammer this is
Comment: Letter assignments are very wrong and the translation of those letters is wrong.