Is it intentionally inverted? I think if that was not the error, the error is the crown being out of the frame.
I was being a smart ass...they were scanned upside-down, and I couldn't resist the jest That out of the way, I'll take a proper look at them
The red one pence stamp has a different decoration surrounding the figure head. So, either you snook in a stamp from a different series or someone messed up the printing.
wonky perforation on the bottom of the brown stamp? (Meaning the top, of the picture, since they are upside down)