1918 Inverted Jenny Stamp

Cert Verification

When you see a listing of a PSE stamp for sale, you can verify the grade and authenticity of the stamp by simply entering the certification number below. With the PSE certification number, you can verify the authenticity and quality of the certified stamps you see for sale online as stamps actually evaluated by PSE experts. After you receive the stamp, it should have the same PSE certification number, grade, and description.


Cert Number: