All pieces are made with silver sterling 925 and silver 925 with gold plated.
Uttara pieces are certified by INCM - Imprensa Nacional - Casa da Moeda, S.A. INCM provide this assurance by checking the legal touch (precious metal per thousand contained in an alloy) and the application of contrast with the responsibility mark, manufacturer or equivalent.
Contacts: www.incm.pt or firstname.lastname@example.org
Any doubt please contact us at email@example.com
Please check here the legal trademarks of portuguese INCM: