Not all prop money works convincingly on camera. Wide shots allow lower detail, but detailed shots need accurate colour and texture. Stack presentation matters for scenes involving large sums. Different denominations give productions flexibility as scenes require.
Music videos uses prop money more visibly than almost any other production type. Its aesthetic regularly involves large visible quantities. Editorial photography have similar needs with more exacting close inspection. Selecting the right product rated for close work avoids problems in post.
film production props prop currency appears constantly on screen. Productions choose it since using genuine cash would be a security problem. Realism matters for close-up work: print quality that looks right on screen.
Film currency props must be distinguishable from real banknotes under specific rules. Regulations vary between jurisdictions, typically covering size, colour and one-sided printing. Legitimate producers make to those specifications. Using props in a transaction is illegal no matter their origin.