It looks like paint-on-canvas to me, but without a zoomed-in shot (perhaps from an angle other than dead-on) it's hard to tell whether it actually is paint-on-c

It looks like paint-on-canvas to me, but without a zoomed-in shot (perhaps from an angle other than dead-on) it's hard to tell whether it actually is paint-on-canvas or just a printed image that looks like one. So... dunno.