Record What You See: A Coin Date and Mint Mark Checklist

Before researching a coin, record its date exactly as it appears and note any possible mint mark without guessing. Keep your observations separate from your interpretation. A useful starting record is not “probably a rare issue,” but “date reads 19?6; small letter visible on reverse; letter uncertain.”

That distinction helps prevent an unclear digit or an assumed mint location from steering your research toward the wrong issue.

Start with a neutral record

Give the coin a simple identifier, such as “Coin A,” and use it for your notes and photo filenames. This is especially helpful when sorting several similar coins from an inherited collection.

Record these details before opening a catalogue or identification app:

• The denomination, if readable.
• The country or issuing authority, if stated and understood.
• The date as it appears on the coin.
• Any possible mint mark and its location.
• Other readable words, numbers, or symbols.
• Which details remain uncertain.

Do not force an unfamiliar inscription into an English spelling or a familiar date format. Copy the characters you can distinguish and preserve a photograph for the rest. If several dates appear, record each one and its location rather than deciding immediately which is the issue date.

Transcribe the date before interpreting it

Read each digit individually. Wear, contact marks, weak detail, and lighting can make one digit resemble another. A partial curve is not enough to settle a date simply because one candidate seems more interesting.

Use a consistent notation:

• Clear: “Date: 1964.”
• Partly readable: “Date: 19?4; third digit unclear.”
• Two possibilities: “Date: possibly 1916 or 1918; final digit unresolved.”
• Not readable: “Date area visible, but digits cannot be read.”

These are recording examples, not issue identifications. Keep the original uncertain reading even if later research suggests an answer. Add the interpretation as a separate note with its reason.

Avoid cleaning, polishing, or scraping the date area to improve readability. Instead, inspect it under gentle light from different directions and compare the views. A detail that appears under only one lighting angle deserves caution.

Describe a possible mint mark by location

Mint marks identify the mint associated with an issue, but their forms and positions vary across coin series. Not every small letter is a mint mark; some letters may be designer initials or part of another inscription.

Write down both the symbol and where it appears. “Small D below the date on the obverse” is more useful than “D mint.” If you cannot confidently name the side, describe it by the main design, such as “side with the shield.”

Use “no mint mark observed” rather than “no mint mark” when visibility is limited. The first describes your inspection; the second may imply a conclusion you have not established. Do not assign a mint solely because you cannot see a letter. Confirm the conventions for the specific series first.

Use your record to choose the next reference

Begin research with the broad design, denomination, and readable inscriptions. Then check where the date and mint mark belong for that issue.

Different resources serve different purposes:

• Coin identification apps can help generate a candidate identification. Check it against your recorded details.
• Numismatic catalogues and price references can help confirm issue listings and mint-mark conventions. Resolve the identification before consulting value entries.
• Photo-based coin grading tools address visible condition; they do not make an unreadable date certain.
• Professional grading services are a downstream option when authenticity, attribution, or condition warrants in-hand assessment.

Keep the evidence attached to the conclusion

Save full views of both sides alongside close-ups of uncertain details. A close-up helps inspect a letter; the full coin preserves the context needed to interpret it.

At [CoinProfessor](https://coinprofessor.ai/), you can upload obverse and reverse photos for physical coin identification and a preliminary photo-based grade range with reasons and limitations. Keep unresolved date or mint-mark details explicit. Photo review is not authentication or PCGS/NGC certification, and it cannot guarantee a grade or market value.

Start with what you can see, preserve what you cannot resolve, and let the evidence guide the next check.