This is caused by a worn or filled obverse die and is very common, it adds nothing to the value.
You're probably thinking of "VDB", the initials of the coin's designer Victor D. Brenner. Please see the question "What is the value of a 1909 Lincoln cent?" for more information.
Yes, a penny with the initials "VDB" and "FG" can be quite valuable. The "VDB" signifies the designer Victor David Brenner's initials on the 1909-S Lincoln penny, which is highly sought after by collectors. The "FG" refers to the initials of engraver Frank Gasparro, found on later coins, but if present on a rare penny, it could also add to its value. Overall, the specific condition and rarity of the coin will significantly influence its worth.
Stamps like the one you ask about are the initials of the designer or company. There also should be gold or silver content. The initials add no value to your ring.
All Australian Pennies from 1938 to 1964 had the initials KG just above the tail of the kangaroo. It is not a mintmark, it is the initials of the designer of the reverse side of the coin, George Kruger Gray.
Please check your coin again and post a new question. "VDB" refers to the designer's initials that appear on the back of a 1909 Lincoln penny, and all 1905 nickels were struck at Philadelphia. San Francisco didn't start minting nickels until 1912.
Unfortunately the initials killed the collectible value of the coin, it's face value.
"JS" are the initials of the coin's designer, John Sinnock. His monogram appears under FDR's portrait Please see the Related Question for more information.
The initials "JG" on the inside of a ring typically indicate the maker's mark, signifying that the ring was crafted by a jeweler or a specific brand associated with those initials. It can also represent the designer's name, ensuring authenticity and quality. If you're curious about a specific ring, researching the initials can provide more context about its origin and value.
It depends on which of the 4 different 1909 Lincoln wheat cents you have, look on the back to see if the coin has the initials V.D.B or not or a "S" mintmark under the date. Also the value of the coin depends on the grade of the coin. The most common type have no mintmark or reverse initials, these coins are valued from $1.00-$5.00 in average condition.
The term "jmc" on 14k jewelry typically refers to the initials of the manufacturer or designer of the piece. It indicates that the item is made of 14-karat gold, which contains 58.3% gold content. The initials help identify the creator and can sometimes enhance the item's value, especially if the maker is well-known.
It isn't a "JS" (and JS isn't the mintmark, the mintmark, if any would be found on the reverse) dime. It is a Roosevelt Dime, the JS are the designer's initials. It is silver, however, and worth around $2.15 in silver content.
Relative Value Unit