You have of store credit. To use it, simply place your order and you will be able to choose store credit as the payment method when it comes time to pay for your order.
New Old Stock
We know this terminology confuses some people so we'll explain it: New Old Stock is generally merchandise that was never before sold at retail and often comes out of stores that closed or from salesman's samples. On other occasions, they are pens that were purchased, perhaps as investments, but never used.