Looking at the factory pattern Nos. shown in Cottle, it would not be unreasonable to suggest that 1054 would dated to somewhere around the 1872 - 1874 period, although unfortunately this is one of the many Nos. that - for whatever reason - he omits.
I've looked at volume 3 of Glen & Stephen Thistlwood's CD covering the Sowerby catalogues, and pattern 1054 is shown on page 11 of Pattern Book XI which I believe dates to 1885. Pattern 1054 is included under 'Buttler Middles and for Plates', and appears to be the lower half of a butter dish. Comparing this No. in the catalogue with Roy's stand, I'd suggest that 1054 refers to the ornamentation/design and not to a particular shape, which is a not uncommon event.
I'm sure that whilst occuring in Pattern Book XI, the date of this Registration is almost certainly earlier, and may well have been a sales line that remained in production for some period after. I'm unsure if it's possible - using the CD catalogues - to date the first appearance of any factory pattern No. - but I'm sure there are clever people out there who will know the answer to that.
Simon Cottle's book does link a proportion of pattern Nos. to Registration Nos., thus providing a 'start' date for some items, but as said, he doesn't unfortunately include 1054.
Have to admit to not looking through the entire rest of the CD catalogues to verify whether 1054 occured elsewhere, or whether the plate stand is shown - I'll have another look later today, hopefully.

Do you have the CD catalogues Roy?