Can anyone help identify the workshop and years of work?

[Nata37]

Hi friends.
Can anyone help identify the workshop and years of work?

[dognose]

Hi,

Brazilian. The 'L', mark is a pseudo mark used at Rio de Janeiro.

I guess the below will not help much, but may point you in the right direction:



Possibly:


LAF

Source: Marcas de Contrastes e Ourives Portugueses - Manuel Gonçalves Vidal, Fernando Moitinho de Almeida - 1997

Trev.

[Nata37]

Different initials, we have “OAR”, maybe you know masters?

[dognose]

Hopefully another member can help.

Trev.

[Nata37]

Thank you very much for your help!