Z lines | Hallmark Identity | Finger Ring UPDATE

by Tania
(Melbourne)

Thankyou for your help, And for your lovely comments.
I am not certain as to what the gem is i will be having it certified within the next few weeks, i will let you know the result.
Best wishes to you.

Z lines | Hallmark Identity | Finger Ring

by Tania
(Melbourne)

Hi, can you please help me identify this mark, I think The pd means palladium/platinum i am unsure what the other two marks represent. thankyou for any help you can provide
Regards Tania

375
pd
z with lines above

Thank-you