Hi Martin and Mike
Many thanks for your interesting observations - and my apologies for not replying sooner but I have been away.
I have included another picture of the date letter - in the hope that it may clear up some mysteries. Unfortunately the marks in the box are very difficult to photograph, it really is a tiny one and you need about four hands. It certainly could be an H or K - and I must admit that even when the marks are clear I find gothic capitals very difficult to decipher.
Looking at the duty mark, and Jacksons, would certainly look like the pre 1830 one.
One possible solution: If Ledsam and Vale were making for Wheeler could this not have been stamped for Wheeler intending to send it to London, but it got mixed up with a whole load of their other wares and sent to the Birmingham assay office by mistake. The assay office knowing a whole load of silver was from Ledsam and Vale may have not noticed the offending makers mark and once everything passed assay just started stamping. If so, I suppose this little vinaigrette would not be legal in the UK. Or is that just a wild flight of fancy?
Alternatively it's H for 1831 - the year Wheeler registered at Birmingham and maybe an old duty mark was used. Might there not be a couple of months in 1831 that coincided with Wheeler registering his mark, the new date letter H and the '1830' duty mark?
Appreciate your thoughts - regards Frank
Under the glass there is definitely the left hand stroke goes down deeper meaning if it was a B there would be something under the bottom of the B.
