Hi Frank
Ref the large bowl I have some really good pictures of the pontil.
http://hometown.aol.co.uk/blackcatgla/images/mv1.jpghttp://hometown.aol.co.uk/blackcatgla/images/mv2.jpgBase diameter 5" approx / Pontil 1.6" diam, 0.8cm in height (flat squashed and then ground down with a few bubbles left open on surface).
They show I (am sure) that no leaping salmon mark was ground away, it is a round pontil that has been roughly filed down to just the right point, it actually nearly touches the table it is so prominent.
Also, there is no where on the bowl that the glass is thin, it weighs over 2 kilos.
This not my questioning your judgement, I agree it is too strange a colour for Monart but maybe Vasart or Strathearn as you mention? I paid a lot for it (with a definite ‘label written’ attribution as Vasart/Monart) as an investment and would like to take it back for a refund if it is not Vasart at least, It was too expensive for Strathearn.
When taking back I never quote any sources, I don't have to, I buy so much from this guy he just takes stuff back and usually changes the label on my advice.
I agree with the green bowl, I am sure it is Vasart the mark is right, but Nazeing is what I thought until I saw all the aventurine, and remembered there are some very transparent blotchy pieces of Vasart around, I have had some like this before.
All best
Adam P