Genie Office Stationery Office stationery and calculators. Style 0 selected Close Money Tester Pens(1) Product Type 0 selected Close Stationery(1) Brand 0 selected Close Genie(1) Sort by Most popular Name A-Z Brand A-Z Price Low to High Price High to Low Showing 1 of 1 products Genie Quicktester Banknote Pen now £0.50 £4.50