Carved ancient Symbol

Here is a pot by Tom and Andy. Perfecty thrown by Andy and carved by Tom.  Some peole might recognise this symbol as of an American electric car manufacturer, but this symbol is of ancient origin and can be founf in the Alahambra Granada, dating back to the 14th centrury.  Inlaid with a dark rich blue galze.   14 * 6cm. outside. 12 * 4 cm outside 
 
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