That, or forgeries being laundered... [1] https://www.linns.com/news/us-stamps-postal-history/quality-of-modern-counterfeit-u.s.-stamps-keeps-improving https:/

That, or forgeries being laundered... [1] https://www.linns.com/news/us-stamps-postal-history/quality-of-modern-counterfeit-u.s.-stamps-keeps-improving https://www.linns.com/news/us-stamps-postal-history/quality-... For a cash-like instrument, stamps seem to have very little in the way of anti-counterfeiting security.