1851 Quarter Error List with Pictures

A smooth edge is an important clue on the recorded 1851-O broadstrike. The coin spread without its normal edge grooves, and a comparable example has an estimated value of $1,000–$10,000.

This 1851 quarter error guide also covers a reported extra date digit that needs a careful year check. The combined estimated range is $300–$10,000 for identified whole coins.

Follow the edge and date checks below before treating a wider coin or stray line as an original error.

1851-O Liberty Seated Quarter Reported Misplaced 1

A misplaced date digit can leave a raised fragment among the tooth-shaped border marks. It forms when a date punch touches the steel stamping tool outside the intended date position.

A catalog entry headed 1851-O describes an extra 1 directly below a normal 1. However, its variety reference conflicts with an 1850 listing, so the complete coin date must settle the identification.

Treat this as a reported feature requiring that match. A genuine extra digit on an 1850 quarter would not establish an 1851 error, even if the border looks similar.

Estimated Value

If an 1851-O misplaced 1 is authenticated, use a conditional estimated whole-coin range of $300–$6,000. The year, mint, condition, and original raised digit all need to agree.

The catalog’s PCGS F15 example describes a visibly worn coin. That grade is not a confirmed sale price, and the date conflict prevents using its description as proof of this proposed variety.

Cleaning and worn border detail can reduce appeal. Price the actual identified coin rather than a borrowed variety name.

How to Identify

Read all four digits of the date before enlarging the border. The final two must show 51, and an O must appear below the eagle on the back.

Look beneath the 1 for a raised fragment among the small border teeth. Compare its shape with a date digit rather than treating a random line or damaged tooth as an extra numeral.

Change the light to distinguish raised struck metal from a cut or scratch. Photograph the whole date together with the suspected fragment.

Have a Seated-quarter specialist compare the complete coin before applying a variety name. A reference photograph dated 1850 cannot authenticate an 1851 claim, however similar the extra digit may look.

 

1851-O Liberty Seated Quarter Broadstrike with a Smooth Edge

The recorded 1851-O quarter has a slightly off-center-looking design but is described as a broadstrike. Its edge lacks the grooves normally pressed into a quarter during striking.

Those grooves are called reeds. They come from the collar, the ring surrounding the blank that also limits how far its metal can spread.

Without normal collar restraint, a coin can grow wider while keeping its complete design. Stack’s described this example as VF35, meaning a circulated coin with clear remaining detail; its uneven positioning does not automatically turn it into an off-center strike.

Estimated Value

For a genuine comparable 1851-O broadstrike, estimate $1,000–$10,000 for the complete coin. The scarce date, readable design, and original smooth edge all affect the comparison.

The VF35 example appears in Stack’s October 2007 catalog as lot 4962. Use similarly worn specimens for comparison rather than assuming an unworn example’s value.

Original surfaces and a clearly expanded border improve appeal. A filed edge or later flattening requires a different evaluation.

How to Identify

View the edge from the side before measuring the width. Compare its smooth surface with the regular grooves around an ordinary quarter.

Check for filing tracks or cuts through the finished rim. Removing the grooves from a normal coin after striking can imitate one part of a broadstrike’s appearance.

Now inspect both complete faces.

The portrait, eagle, and outer words should fit on the metal despite the uneven border. A plain crescent opposite missing design suggests an off-center strike instead.

For a loose coin, measure in several directions against the normal 24.3-millimeter diameter. Wider metal helps the comparison only when the intact design and original edge show the same loss of collar restraint.

 

Conclusion

The estimated $300–$10,000 overall range covers identified whole coins, with the misplaced-digit estimate conditional on a genuine 1851-O match. The recorded broadstrike offers a different starting point: its expanded outline and smooth original edge.

Check the full date, mint letter, and metal surface before choosing a comparison. An attractive label cannot replace those details, and the two proposed features need separate identification.