So I've been cherry-picking again an this '91 caught my eye. All of the devices are much thinner than a typical 91 but also thicker diagonally almost like a spread. The first few picks are of the '91 in question and the last few are of a regular '91 for comparison. And yes, there's either some grease issues as well, but that's not the curious part. I just want to know why it looks like that. My current guess is that some md occurred just enough at an angle to make the devices seem thinner. All opinions are welcome, and I know it's most likely not a doubled die.
