That is not a valid roman numeral.
Yes, 1880 is divisible by 8. 1880 divided by 8 = 235.
It is the name of a certain type of currency. It has been used by many different nations over the years. It can refer to the main unit of a currency (like dollar), or the sub-unit (like cents).Here's a list of currencies that have included Piastres:Cambodian Franc (1795-1959)Cyprus Pound (1879-1955)Egyptian Qirsh (1617-1834)Egyptian Pound (1834-date)French Cochinchinese Piastre (1878-1885)French Indochina Piastre (1880-1952)Laotian Piastre (1880-1952)Lebanese Pound (1919-date)Libyan Pound (1951-1971)Sudan (1881-date)Syrian Pound (1919-date)Tonkin Piastre (1880-1952)
It is already in its simplest form as 1880/21
94
Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
Please see
If you mean a 1880 Carson City Morgan dollar? circulated examples run from $100.00-$300.00
A 1880-S Morgan Silver Dollar that is in a mint state of MS67 is worth: $ 450.00.
1880-series US $2 bills were issued as United States Notes rather than silver certificates. Please see the question "What is the value of an 1880 US 2 dollar bill?" for more information.
August 29, 2009 The more common 1880-CC dollar in MS65 grade has a value of $1625. The less common Proof-like 1880-CC dollar in MS65 grade has a value of $1900. The scarce Deep Mirror Proof-like {DMPL} 1880-CC dollar in MS65 grade has a value of $11,000.
In MS60 Grade uncirculated, a 1880 S Morgan Silver Dollar is worth about $52. In MS65 Brilliant Uncirculated, it is worth over $330.
Currently as of April 2012 a 1880 Morgan silver dollar in MS63 uncirculated condition is worth around 63 dollars.
See the related link below for a picture of the 1880 silver dollar.
Responses to questions on Answers.com are normally specific to one item. Please check for questions "What is the value of an 18xx US silver dollar?", where 18xx is 1880, 1881, etc.
A silver dollar with the national motto E PLURIBUS UNUM on it dated 1880 is actually called a MORGAN dollar, most all US coins have this motto somewhere on the coin. It's a very commoncoin with a retail value of $36.00-$42.00
"DO" isn't a mint mark. The mint mark on a silver dollar for that year is on the reverse (tails) side, just above the letters "do" in the word "dollar."