Counterfeit money detection pen for marking money- yellow(0)No Reviews yet Pinit $2.75 Quantity discounts available QuantityPrice SKU: 22400 ITEM WEIGHT (LBS): 0.02 Quantity -+ Add to Cart Details Counterfeit Money Detection Pen Use money marker on area that is lightly-colored and not printed on. If the marking shows up as yellow your bill is... Details Back DetailsCounterfeit Money Detection Pen Use money marker on area that is lightly-colored and not printed on. If the marking shows up as yellow your bill is genuine. If the mark goes dark and stays dark your bill is forged. The marking disappears after a few hours.See MoreSee Less Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review