When ordering the stencil eyebrow are the all the same shape?

The signature collection comes with 50 qty total and  a variety of 5 different styles. 10 of each style.

The individual collection comes with 50 qty of one individual style

Is there a discount code needed when ordering more than one?

No code needed for wholesale on collections just go to the item and you should see In the drop down it has larger quantity discounts. See screenshot below.