Glass bottle

[voctor jr.]

Hi i have a old bottle with a diamond mark shape, in the Diamond there is Chinese words and on top of the bottle is number 84 and at the bottom of the Diamond mark is 13 can any one tell me about the bottle mark or age? also i think the bottle from 1930's or 20's and i think it's press glass. Help.

 

[Steve/sewell]

A picture would be helpfull