A British 1900 silver Maundy Twopence (QV), uncirculated and in absolute mint condition could fetch up to £12 GBP. If it has been circulated but still in good condition, it might fetch up to £6 GBP.
A reputable coin dealer will be able to give a more accurate valuation.
A British 1900 sterling silver Maundy Penny (QV), uncirculated and in absolute mint condition could fetch up to £20 GBP. If it has been circulated but still in good condition, it might fetch anything up to £6 GBP. The values quoted are the best possible for the best specimens in their grades, but may be significantly lower due to varying demand for the coin and the prevailing economic climate. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
US or British, post new question.
The Groat was last minted for British circulation in 1855. There was a "once only" minting for British Guiana in 1888.
A British 1892 Maundy Threepence, uncirculated and in absolute mint condition could fetch up to £25 GBP. If it has been circulated but still in good condition, it might fetch anything up to £15 GBP. A reputable coin dealer will be able to give a more accurate valuation.
British Highlanders Exercising - 1900 was released on: USA: April 1900
British Infantry Marching to Battle - 1900 was released on: USA: March 1900
A British Pound in 1900 has the purchasing power of about £72 GBP today.
The British Empire that had evolved by AD 1900 was racked with internal problems. Though the empire reached its industrial peak, poverty continued to be a major problem.
Nothing in that range is classified as rare, but any British Penny in mint condition from those years would have a modest collector value to it.
In 1900, the value of 1 British pound was approximately equivalent to about $4.87 in U.S. dollars. However, this value can vary based on the specific economic conditions and exchange rates of the time. Additionally, considering inflation and changes in purchasing power, the pound's value in today's terms would be significantly higher.
There are no Australian Sovereigns dated 1900. There are British Sovereigns minted at either the Melbourne Mint (M), the Perth Mint (P) or the Sydney Mint (S). At a current gold price of A$1,675, the vast majority of them will be worth A$390 - $475 each. A British Sovereign struck at the Perth Mint in 1900 and still in "mint" (uncirculated or better) condition, will retail for over A$1,000.
It means a value of 2 to 8 British Pounds. "GBP" is the ISO code for Great Britain Pound.