What Fuel Cells are these?

[Craig Perkins]

I ran across these Fuel Cells the other day and I have no idea what edition they were can anyone shed some light on this?

 

[Duke Nivram]

is there a sku # on one of the arms?

 

[Craig Perkins]

is there a sku # on one of the arms?

Not that I can see, even if I zoom in on the photo

 

[OFather]

There is clearly a sku# on the left arm. Typing in that # into o-review.com should tell you what edition it is.