Xstamper Pre-Inked "POSTAGE DUE" Stamp - Red Ink - 1080 Xstamper Pre-Inked "POSTAGE DUE" Stamp - Red Ink - 1080 This is a stock office xstamper stamp that cannot be customized. Stock Xstamper Stamp impression is approximately 1/2" x 1 5/8". The Xstamper N10 is designed to deliver over 50,000 impressions before being replaced. All orders are made to order. Most orders ship within 24 business hours of your customization being received.