Plat métal argentémanufacture suèdoise fondée 1888 signé Nilsjohan

J'ai chiné ce petit plat avec un joli ornement dans le doute j'ai pris je n'ai pas vu de poinçon juste un marquage Provenance Suède je pense à du métal ?

métal argenté, vraisemblablement :
Nilsjohan was a Swedish manufacturer of kitchen accessories. The company was founded in 1888 as Nilsson och Johansson, but changed its name to AB Nilsjohan in the 1950s. Their products were associated with the 20th-century Folkhemmet movement. The brand was later acquired by Iittala.