Denomination? Country of issue? Condition? You have to give us a clue before we can even guess.
Please post a new question with that information.
Assuming the coin is circulated and has no "S" mintmark, retail value is $490.00-$560.00 depending on the actual grade of the coin. 1899 Liberty Head Half Eagles are a high mintage, very common date gold coin. NOTE: If the coin has been used as a jewelry piece, or cleaned, value is for the gold content only.
The coin needs to be seen for an accurate value. This issue is common with a average value of $1,400.00 to $1,500.00 for a circulated coin.
Assuming the coin is circulated and in a collectible condition, retail value is $300.00-$400.00 depending on the actual grade of the coin. 1899 Liberty Head Half Eagles are a high mintage common date gold coin. NOTE: If the coin has been used as a jewelry piece, value is for the gold content only about $265.00 as of today.
The coin needs to be seen for an accurate value. This issue is common with a average value of $1,400.00 to $1,500.00 for a circulated coin.
A $5 gold coin that was minted in 1899 - aka - Coronet Head Half Eagle - is worth in fine condition (F12): $250; its value increases to $400 if it is in a mint state of MS60.
Assuming the coin is circulated and has no "S" mintmark, retail value is $490.00-$560.00 depending on the actual grade of the coin. 1899 Liberty Head Half Eagles are a high mintage, very common date gold coin. NOTE: If the coin has been used as a jewelry piece, or cleaned, value is for the gold content only.
The coin needs to be seen for an accurate value. This issue is common with a average value of $1,400.00 to $1,500.00 for a circulated coin.
Assuming the coin is circulated and in a collectible condition, retail value is $300.00-$400.00 depending on the actual grade of the coin. 1899 Liberty Head Half Eagles are a high mintage common date gold coin. NOTE: If the coin has been used as a jewelry piece, value is for the gold content only about $265.00 as of today.
The coin needs to be seen for an accurate value. This issue is common with a average value of $1,400.00 to $1,500.00 for a circulated coin.
A $5 gold coin that was minted in 1899 - aka - Coronet Head Half Eagle - is worth in fine condition (F12): $250; its value increases to $400 if it is in a mint state of MS60.
The only British 22 carat gold coins issued in 1899 were the Sovereign and the Half-Sovereign. The Florin was a silver coin from its introduction into the currency in 1848.
The value of a Coronet Head $20 Double Eagle gold coin is based on its mint state - for example, if this coin is in very fine (VF20) condition, its value is $950.00. If its mint state is AU50, its value increases to: $1100.
An 1899 Eagle gold coin only weighs 16.718 grams to start with. The Actual Gold Weight (AGW) is .48375oz of pure gold.
There are many on line just type in the date and denomination of your coin and a whole bunch will pop up.
Certified examples of the 1899 Philadelphia issue Half Eagle in MS-65, have average retail values of $3,750.00 to $3,900.00.
The Actual Gold Weight (AGW) is .24187oz of pure gold. The total weight of the coin is 8.359 grams.
The value of a gold Deutsches Reich 10 Mark coin from 1899, featuring Wilhelm II, can vary based on its condition, rarity, and current market demand. Generally, these coins contain approximately 0.0963 troy ounces of gold, which gives them a base value linked to the current gold price. As of October 2023, the coin's value could range from around $200 to $400 or more, depending on its condition and collector interest. Always consult a reputable coin dealer or numismatic expert for an accurate appraisal.