paper money defects

Staple Holes and Currency Grading: What PMG and PCGS Really Think About Those Tiny Punctures

June 15, 2026June 15, 2026 by

Staple holes are among the most misunderstood defects in paper money grading, capable of dropping a visually crisp note several grade points depending on their number and placement. This guide breaks down exactly how PMG and PCGS Currency evaluate staple damage, where location matters most, and what collectors should know before buying or submitting a note.

Net Grading Explained: How Pinholes, Rust, and Stains Create Split Grades on US Currency

June 15, 2026 by

Net grading is one of the most misunderstood concepts in paper money collecting, yet it directly affects the value of thousands of notes in today’s market. This guide breaks down exactly how PCGS Currency, PMG, and independent dealers apply net grades, and what that means when you are buying, selling, or submitting notes for certification.