please help with unknowned hallmarks

[octav]

Set of cutlery - (art deco?)
Stamped 835.
I can't recognise the country or maker.
Anyone can help, please?
https://drive.google.com/open?id=0B_fIt ... Eg3dk5lOEU
https://drive.google.com/open?id=0B_fIt ... UdmMElhUUE
https://drive.google.com/open?id=0B_fIt ... zlUbkFTUzA
https://drive.google.com/open?id=0B_fIt ... XltREw0REU

[Qrt.S]

Portugal, Porto 1938-1984. Unfortunately I don't know the maker.

[blakstone]

The mark is that of Joaquim Pinto de Carvalho, registered in 1922 & cancelled in 1983.

[octav]

Thank you so much.

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