Short answer: Yes—there are pennies that can be valuable, but the vast majority are common and worth only face value. The valuable ones are typically rare dates, mintmarks, mis-strikes, or coins with high copper content, and their value depends heavily on condition (grade) and rarity. Key points to help you identify potentially valuable pennies

• Lincoln cents with key dates and low mintages
  • 1909-S VDB, 1914-D, 1922, 1931-S, 1955 Double Die (DDO), and 1969S Double Die are among the more sought-after early varieties. Values escalate with grade, especially for mint-state examples [web sources on penny collecting and key dates].
• War-era copper and steel anomalies
  • 1943 copper cents and 1943-D copper variants, as well as 1944-S steel cents, are famous for their rarity and high value in good grades. These dates are often cited as high-value pennies even in imperfect condition [web sources on penny varieties and value].
• Errors and mis-strikes
  • Double dies, off-center strikes, and other minting errors can dramatically raise a penny’s value, sometimes into the thousands or hundreds of thousands for exceptionally preserved specimens. Common examples include 1969-S double die cents and other mis-strikes highlighted by collectors and guides [web sources on errors].
• Condition matters
  • Most valuable pennies fetch top dollar only in higher grades (MS-60 and above, with MS-65, MS-66, etc., being exceptional). A well-preserved example of a key date or error will typically be worth far more than a worn specimen [web sources on grading and value].
• Practical approach for a quick check
  • If you have pennies from early 20th century (1909–1950s) with unusual mintmarks (S, D, or P) or that show doubled imagery, look up recent auction or price-guide values for that exact date and mint and compare with similar-condition coins. Be mindful that many “worth money” claims online are exaggerated or outdated; verify with reputable numismatic guides or dealers [web sources on current value guides].

What to do next

• Gather candidates: sort your pennies by year, mintmark, and any obvious anomalies (especially 1909-S VDB, 1914-D, 1943 copper, 1943/1944 steel, 1944-D steel is rare, 1955 DDO, 1969-S DDO, etc.).
• Assess condition: grade the coins (use standard categories from Good to Mint State). Coins in higher grades dramatically increase value for key dates or errors.
• Verify with reputable sources: consult established price guides or coin dealers for current values of the exact coins you own. Prices can swing with market demand and grading.

If you’d like, tell me the years and mint marks you have, plus any visible errors or doubling, and I can help you narrow down which ones might be worth more and give rough value ranges based on typical market standards.