Posted 01/21/2015 12:46 pm
I agree with machine damage on this area. On a doubled die, the devices are rounded. From your images they look step like. Nothing enlarged. Here is a side by side of a doubled die and a machine doubled example:
On this doubled die note the jaw area:
Also note how the hub doubling enlarges the devices.
On this doubled die note the jaw area:
Also note how the hub doubling enlarges the devices.
