Costly Postmark Mistakes

Stamp Motif Stamp Vintage Café Label, Old French Sign Text Stamp, Postmark for Scrapbook, Art, Shabby Chic Style, Decoration - Denmark

Property Tax Sale

Treasurer-Tax Collector

Postmarked Mail/package Labels Coupons

Types of error stamps, Value of postage stamp errors

You've Got Mail, But It's Going to Cost You!

Photo Gallery

Types of error stamps, Value of postage stamp errors

Errors, freaks, and oddities - Wikipedia