In what medium is the portrait executed?

paint
* oil
* acylic
* tempera
* watercolour
* bodycolour
* gouache?

 

marble
* Carrara marble

 

pastel

 

charcoal

 

chalk
* sanguine
* black
* white

 

graphite

 

stone
* granite
* Coade stone

 

metal
* bronze

 

wax

 

ivory

 

silk
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