Open data

What a minting error is actually worth

An off-centre strike, a double die, a smudged rupee — mint errors are a real collector category, which is why the claim sticks. We compared error pieces against ordinary ones across 6 items and 255 recorded sales.

Every comparison we can make

Sorted by how much evidence is behind each row. The counts are the point — read the top row hardest.

How much to trust this

This is the smallest dataset on this site. 255 error sales, against 2,544 behind the fancy-serial page. Four of the five comparisons rest on 10–14 sales each; only the top row can carry a claim on its own.

That is why the headline above is taken from that row and not from whichever looks most dramatic. The full range is 0.2× to 4.1×, and in 2 of the 6 the error group sold for less than the ordinary one.

What counts as an error here

Only identities whose only distinguishing feature is the error. A bundle of error coins, or an error that also has a fancy serial, is excluded — a bundle's price belongs to the bundle.

And every comparison is against the same item: a ₹5 error coin against ordinary ₹5 coins, never against a ₹100 note.

Take the data

The table above, as a file: CSV · JSON

Cite it as: The Currency Bazaar, "What a minting error is actually worth", 255 completed sales. https://thecurrencybazaar.com/error-coin-value

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