Coins -Junk Art- 3D print model

Hello there so basically I dont know what coins is this, i earn the abstract concept by my client. and ya again i got trolled by an Africa guy that want this model, he said that he agree with the final update and want me to take a photo of each coin. but at the end of the day he giving me a slow respond and then saying that its not detailed enough. I dont know why he did that, I've assume that he's not having a money to pay it maybe. and ya its my junk art. And I contained the concept that the client gave, to be honest it really terrible but im trying to give him my image from a real references that I searched on