The Ritchies established their own trading stamp of ICA or Iona Celtic Art around 1931. Alexander Ritchie died in 1941 but the company went on and subsequently became the CAI (Celtic Art Industries) in 1945, the mark being HHI IONA for Highland Homes Industries, run by Hannah MacCormick.
Alexander Ritchie Maker’s Mark
This silver-mounted dressing table clock is marked AR, IONA and has Chester Hallmarks for 1910.
It sold for £ 701 inc. premium at Bonham’s
This pair of spoons were made by Alexander Ritchie in 1929. They have the Glasgow assay mark and the AR IONA mark.
They were sold in their case at Christie’s for GBP 180 in 2005