Well, it is the pupils that are important, not the irises. Those pics aren't any better than the others to be honest, I still can't make-out any of the important features..LOL!. If it is a t-positive Colombian "imperator", it is being displayed in extremely low expression.
Here is one from Dave and Tracey Barker stock....
~Doug

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"a snake in the grass is a GOOD thing" 


