The 2010 Manganese-brass are 26.5mm
for example
Older coins are different size
US silver dollar coins from 1873 to1978 are 38.1 mm in diameter. In 1979 they were reduced to 26.5 mm in diameter.
The Australian One Dollar coin weighs 9 grams, is 25mm in diameter and is 3mm thick. Figure it out.
A US dollar coin dated 1797 is a Draped Bust dollar. If you actually have a dollar coin dated 1797, take it to a coin dealer for an accurate assessment. The coin is rare.
It depends on the size of the coin!
Diameter is 30.6mm
The 5 cent coin is smaller in diameter than the Two Dollar coin. The Australian 5 cent coin is 19.41 mm in diameter. The Australian Two Dollar coin is 20.62 mm in diameter.
The Diameter is 30.6mm.
US silver dollar coins from 1873 to1978 are 38.1 mm in diameter. In 1979 they were reduced to 26.5 mm in diameter.
The diameter of an Australian Dollar coin is 25 mm. Do the maths.
1.5 inches, or 38.1 millimeters.
The Two Dollar coin was the most recent addition to Australia's circulating coinage and had to fit in with, and be distinguished from, 7 existing types of circulating coin. Circulating coins are no longer made of precious metals, so there is no longer a need to make them to any particular size for any particular metal or denomination. There was also a need to consider the visually impaired. The Two Dollar coin is slightly larger than the 5 cent coin and slightly smaller than the 10 cent coin, and significantly thicker than both.
The most basic thing is the weight and diameter of the coin. if you have doubts about the authenticity of the coin, take it to a coin dealer for an assessment.
The 1972 Eisenhower Dollar is 38.1 mm in diameter and weighs 24.59 grams.
If you have a large 38 mm-diameter coin struck in 2006 it's a commemorative worth about $20 as of 06/2009. If your coin is smaller, please turn it over and look at the denomination. It's a HALF dollar.
There are more than 20 currencies called the "dollar" around the world, and each uses their own coinage which almost invariably includes the half-dollar. In general, the half-dollar coin is between 1.5 and 2.5 centimetres (3/5" and 1") in diameter. A list of every currency and the size of the coin used may be added at a future time.
Diameter - 21.6 mm Weight - 8.25 gm
It is a coin worth one dollar.