Mystery to me

Hello, thanks for having me here!

I'm an amateur collector- I buy things I like from op shops, sometimes I save things but then realise I don't want them.

Anyway, here are a couple of marks I'd be interested to know more about.

The fist is an anxious face mug. (It kind of makes me uncomfortable but it seemed too good to let get thrown into the skip). Squiggly line mark.

Here are two pieces I picked up in Hamilton... last year?

They have the same mark.

anyone recognise the mark?

I'm totally enamoured of the little plate. It is the best ever.

sorry about the poor phone pics- hopefully still get the gist!

Sorry mjoils I don't know either of these, we do have a squiggly line mystery mark but I'm not certain if they are the same potter.

https://www.newzealandpottery.net/t7196-little-pot-with-opotiki-stamp?highlight=opotiki

I bought this recently and love it, but cannot find the makers mark online to identify it.
Can anyone help please! Thanks