Gibraltar i have always knows as 1932 in to 1933 until i bought a part set recently that is brilliantly painted with much stronger colours than the norm with a july 1931 backstamp on any piece that had a date code. It does tell us that this design was introduced earlier than we thought, it was painted a lot more intensely than the usual so is not old stock painted later. A fantastic example with a bold full version of the pattern. GUARANTEED to be free from damage or restoration it measures 5.5 the saucer and 2.5" tall the cup. Both pieces are fully signed to the base.
I constantly need new stock and I usually pay far more than you would achieve at auction for top end pieces as I have an extensive client list to sell to.
Why not buy a loved one an Andrew Muir Gift Card? You choose the budget and they can choose themselves something beautiful for their home…