Silver pendant OM Oṁ Óm and Aum sacred syllable

The symbol of Om, the Hindu sacromantra. This symbol comes from the union of two characters deldevanāgarī: ओ ('or') + ँ ('m' nasal) in italics. Resulting ildevanāgarī writing no earlier eighth century AD This symbol is much posterior to the syllable OM present in earlier texts at least the sixth century BC
  our products meet the European norm "EN1811-2011Soglie nickel and field application of the reference standard at European level