1967 SMS Struck Through: The 1967 SMS Struck Through error features a struck-through foreign object on the surface. Such anomalies make the coin stand out, increasing its worth.
1998-S Matte Proof: A distinct error, the 1998-S Matte Proof exhibits a matte finish that was unintended for proof coins. Its rarity due to production issues elevates its value.
1970-D No "L" in LIBERTY: The absence of the letter "L" in "LIBERTY" on the 1970-D Kennedy Half Dollar makes this error intriguing to collectors who appreciate linguistic anomalies.
1999-P No F.G. Initials: The 1999-P No F.G. Initials error occurred when the designer's initials were omitted from the coin's reverse. This uncommon mistake attracts collectors worldwide.