Ball End Tech Brazil date help needed

[buckleb]

I have found a ball end tech made in Brazil. I am trying to date the piece. I expected a date code. There is no letter, only a "1". Can anyone offer a date range to suggest when these ball ends were made in Brazil?

Thanks in advance

 

[buckleb]

P.s. 3 piece with leather/wood square box

 

[alex2363]

I think ERVAGAs may have one, he may chime in soon...any pics?