Originally Posted by VictorM.
The marks look like an impression of the toothed wheel that engages and drives the film counter. It's located in the upper film chamber. But it should press against the backing paper. It seems like a lot of pressure would be needed to affect the film.
I never thought of that although I feel like the marks are much more set in than where that wheel is located along the rim.
And yes Abbazz that is how I load it.