Coin

Can someone refer me to where can I find an coin minted by the aedui tribe that has a boar obverse and an horse reverse?

 This listing ended a week ago, but not sold. 

Maybe the seller still has it 

https://www.ebay.co.uk/itm/326770005372 

Kaletedou Series AR Quinarius Ancient Celtic Gaul Aedui Tribe 1st Century BC 

Would you know the rarity? Google says that the coin has a rarity of 30-50/100