Help with this pottery mar: S inside a D?

[drkwantum]

Hi
Does anyone recognise the attached pottery mark?
Cheers
Jason

[4ewesonly]

hiya , have a look for some Derek Smith pottery not quite sure what is siggy looks like.

[putney32]

hi 4ewes!!

no, Derek didn't use anything like that in his various pottery marks.  I collected him for a short while back in the 1990s.... ('cause he worked at Doulton in Sydney)  LOL.

[4ewesonly]

well at least we all know who it isnt by lol, cheers putney