Scanlens - Pictures on the back. 'Are some Printed differently'?

[Blue67]

I have a card that has the same player on the front but a different picture on the back. Is this common? Does anyone know why this is the case?
This is the 1980 VFL Scanlens. Card I found different is No73. What do other people have on the back? 'With Scanlens' or the Carlton playes legs?