Having trouble identifying a postmark.

[strength40]

Hi there,

I wonder if anyone could possibly tell me what this postmark is? I don't know what state it is otherwise it might be a bit easier to research.

Thanks so much.

Debra.

[kopenhagen5]

Bowling Alley Point, NSW 2340

 I got one. 

[strength40]

Thanks so much for your help it's very much appreciated.

Debra.