Stoneware plates for ID, RB mark. Batterham ?

Two stoneware plates, only one is marked, but both by the same hand.
I purchased these (along with another piece) from the partner (studio potter) of Adam Schoon. Suffice to say, she did not make them and does not know who did.
Any help with ID welcomed.

I’ve never known Batterham to decorate with images
Possibly by Rosamond Burnett who was an artist and potter

Thanks for the feedback and link Naomi, much appreciated
I did wonder whether they may have been by his son.

Not one of Richard’s or Reuben’s recorded marks

Thanks again Naomi.
I'm missing out not being able to access your site, security settings etc won't allow me.

Probably because it’s not an ‘https’; just an ‘http’. We’re looking into buying a security certificate but it’s piggybacking off my husband’s work’s server so it’s a bit complicated. Although with some browsers you can go to ‘special settings’ and click on ‘go to site anyway’ or words to that effect

Thanks Phil.
Yes, I agree, I love the contrast the tenmoku gives on the one.Both are nicely done imo.

Thanks Naomi, it does give me an option to override it, I think I'm just a bit overly paranoid for various reasons, though I won't waffle on about that...