If the system says "MTCN not found" or "invalid," the receipt is likely a fake.

Understanding Western Union Receipts: Security, Verification, and the Risks of Forgery

If you are a seller or a receiver and someone sends you a copy of a receipt, rely on the image alone. Digital images are easily edited with software like Photoshop. To verify a transaction:

Ask the sender for the 10-digit MTCN and enter it into the official tracker.

Never ship items or "refund" money until you have physically picked up the cash or seen the funds cleared in your bank account. Conclusion