Search:

oh, you want my reasoning :)
the imp is stiff grind and they are far more consistent than the w&b's, so it's much safer bet for a great first razor. and the blade looks in excellent condition - that...

the answer is obvious and very simple - the one you should sharpen and start with is the red imp :)
make sure whoever sharpens it knows what they're doing.

the hanging strop looks like it's...