Swallows & Lilies, part of the ancient "Spring" fresco (Acrotiri, Santorini)

Pendant necklace with dancing Swallows & Lilies, 

part of the "Spring Fresco" which was found in the remains of Acrotiri, Thera (Santorini Island), 

the Bronze Age city which was destroyed by an apocalyptic volcanic eruption around 1600 BC...

https://www.etsy.com/listing/188555407/dancing-swallows-lilies-necklace-ancient

The Spring fresco is in the National Arcaheological Museum of Athens