Dear stackers,
An opportunity to proove you are a connaiseur! What coin is this? I am showing the backside only. With google it is rather easy if your eyes are good but just check if you know it yourself first and then look at others' answers or google. There are not many coins made like this. There is one with a similar feature made in the US some years ago and a French one. Do you also know these other two ones? I will include the answers tomorrow.
Oh and the JVC letters are from my camcorder reflection!
ANSWER: PAVO 2013 Southern Hemisphere proof coin;
Goldrooster
The other two with a curve I have seen are from the USA (baseball) and France (rugby):