1977 penny no mint mark: what it's worth

On a 1977 cent, no letter under the date means Philadelphia, which struck its cents blank, and a worn one is worth one cent. The US Mint says most circulating coins carry "a P, D, or no mint mark (which signifies Philadelphia as the production facility)", and the cent got a P in a single year, 2017, for the Mint's 225th anniversary. 4,469,930,000 cents were reported under Philadelphia for 1977, every one of them unmarked. NGC's price guide prints no worn figure for the date at all, because its table starts in Mint State, and PCGS estimates 893,986,000 of them are still around.

One caveat on that first line: the coin does not actually say Philadelphia. The US Mint records that San Francisco "produced circulating pennies in the 1970s and 1980s that did not have mint marks, so that they couldn't be distinguished from Philadelphia coins", and NGC's David Lange records West Point striking "nearly a billion cents from 1974 to 1985" with no mark either. It makes no difference to the money, and the guide to pennies with no mint mark goes into who made what.

Is there a 1977 doubled die, or any 1977 error?

Nothing is catalogued. NGC's VarietyPlus list, the reference for which US coins have a recognized variety, jumps from 1972 straight to 1980: no doubled die, no repunched mint mark, nothing for any 1977 cent from any mint. PCGS CoinFacts lists only the three color designations, brown, red-brown and red, under its related coins. CoinWeek has published no collector guide or variety report for the date. What those three lists cannot rule out is a minor die difference carried by a specialist club such as CONECA and never taken up by NGC.

One-off striking accidents can happen in any year: a coin struck off center, or struck on a blank meant for another denomination. Those get priced one coin at a time by an error dealer, and no catalogued sale of a 1977 cent error turned up in the sources read for this page. A 1977 cent that looks odd has usually been damaged after it left the Mint, which error coins versus damage goes through.

Where a 1977 cent does carry money

A 1977 cent carries money only at the top of the grading scale. NGC's guide prices the date in Mint State alone, the grades for coins that were never spent and never handled. Red and red-brown describe the surface: a cent that kept its original copper color is red, one that has begun to tone is red-brown.

The red-brown rows sit lower: $2.50 at MS64, $7.50 at MS65, $15 at MS66. Every one of those figures last changed on 16 July 2019. A guide figure is what a collector expects to pay a dealer for one coin, and it is not an offer for yours. The jump from MS67 to MS67+ is one notch of judgment made by a grader holding the coin.

PCGS CoinFacts prints an auction record far above every row here: $2,645 at Stack's on 27 July 2008, beside the grade MS66, which no guide prices anywhere near that figure. The lot could not be opened to check the grade, so the record is worth knowing about and not worth planning around.

Jaime Hernandez writes for PCGS that the 1977 Philadelphia cent "is very common. Examples up to MS66 are very easy to obtain and very affordable for most collectors. In MS67 it is scarce but for a premium an example can be purchased. In MS68 it is rare and very expensive that only serious collectors are able to afford an example."

A cent from a jar, a drawer or a change bowl is outside that conversation. It has been handled, and handling is what the scale measures. What coin grades mean is the short version.

What is worth pulling out of a jar of late-sixties and seventies cents

1972 doubled die, no mint mark

NGC calls it "the strongest of nine doubled-die obverses for the date" and ranks it number 10 among the 100 Greatest US Modern Coins. Its own description of what to look for: "Very strong doubling is visible on LIBERTY, IN GOD WE TRUST and the date." NGC's guide runs from $175 at the lowest row it prints, labeled MS40 brown, up to $635 at MS65 red, all of those figures dated 2019. NGC also warns that "counterfeits are known, but a die gouge extending from the rim above the D in UNITED is a good indicator of authenticity", and that lesser doubled dies get passed off as this one.

1969-S doubled die

The S under the date puts it outside this page's subject, and it is the expensive one that usually turns out to be machine doubling when somebody brings it in. CoinWeek in 2019: "This incredible variety ranges in value between $25,000 and $50,000, sometimes more." NGC's guide puts it at $48,500 at MS63 brown and $60,000 at MS64 brown, both dated October 2019. The test CoinWeek gives for the coins dealers actually get shown is the mint mark: the doubling was in the hub that made the die, and the S was punched in afterwards, so "it does not appear doubled on a true 1969-S doubled die". Doubled date and lettering, single S.

1970-S small date

A size difference in the date on the San Francisco coin, which NGC prices as its own coin with a premium even worn: $45 at MS63 red and $75 at MS65 red, both last changed in June 2021, and on its circulated rows $1 in Good rising to $4 in About Uncirculated. This one carries an S, so it is not a no-mint-mark coin at all, but it comes out of the same jar.

1971 doubled die, no mint mark

Listed by NGC with three more 1971 doubled dies. The doubling shows "on IN GOD WE TRUST, LIBERTY and the date". NGC's price feed carries no separate figure for it, so what it is worth is whatever a specialist buyer pays, and nothing on this page can tell you that.

Weight, which matters so much for 1982, tells you nothing here. Every cent of the 1970s is the same 3.11 gram alloy. The scale only starts earning its keep in 1982, when both metals were struck in the same year.

Any of the four above, if it looks right, goes to a grading service or to a dealer who can put a loupe on it in front of you.

Buck is ours, so read this as the seller talking: it photographs both sides of one coin at a time on iPhone and Android and names the type, and on a 1977 cent the type is as far as any photograph goes. The money here is decided by the grade, which nobody settles from a picture, and the same limit is why it cannot pick a 1972 doubled die out of a tray of 1972 cents; what it costs is on its own page.

The other years, and the reason Philadelphia leaves its cents blank, are in the guide to pennies with no mint mark.

NGC did most of the work behind this page: its Coin Explorer entry and price guide rows for the 1977 cent, and its VarietyPlus list both for the absence of any 1977 variety and for the 1971 and 1972 doubled dies. PCGS CoinFacts gave the survival estimate, the 2008 auction record and Jaime Hernandez's note on the date; the United States Mint gave the mint mark rule and the San Francisco strikes; David Lange's NGC article gave the West Point ones; CoinWeek's debunking piece gave the 1969-S test. All read on 21 September 2026.