|Silver Britannia (U.K.)|
|Face Value:||£2 GBP|
|Mass:||32.454 g (incorporating 1 Troy ounce of fine Silver|
|Composition:||1997-2012 95.8% Ag
2013 - 99.9% Ag
2013 - 38.61mm
|Years of Minting:||1997–present|
|Design:||Queen Elizabeth II|
Britannia gold coins contain one troy ounce of gold and have a face value of £100. Gold Britannias also are issued in fractional sizes of one-half, one-quarter, and one-tenth of a troy ounce and with face values of £50, £25, and £10 respectively.
Britannia silver coins contain one troy ounce of silver and have a face value of £2. Silver Britannias also are issued in fractional sizes of one-half, one-quarter, and one-tenth of a troy ounce and with face values of £1, 50p, and 20p respectively.
Gold Britannia 
From 2013 the gold coins have a millesimal fineness of .9999 (or 24 carat gold). Until 2012 the gold coins have a millesimal fineness of .917 (91.7% or 22 carat gold) with the non-gold component being copper until 1989 and silver from 1990.
2013 Gold Britannia specifications (gold content, not total weight)
- One ounce: diameter 38.61 mm, (31.104 g)
1987-2012 Gold Britannia specifications (gold content, not total weight)
- One ounce: diameter 32.69 mm, (31.104 g)
- Half ounce: diameter 27.00 mm, (15.552 g)
- Quarter ounce: diameter 22.00 mm,(7.776 g)
- Tenth ounce: diameter 16.50 mm, (3.110 g)
Silver Britannia 
From 2013 the silver coins have a millesimal fineness of .999 (99.9% silver). From 1997-2012 the silver coins have a millesimal fineness of 958 (95.8% or Britannia silver).
Silver Britannias have been released each year beginning in 1997, when a silver proof set was offered. In 1997 and in all subsequent even-numbered years the reverse design has depicted a standing Britannia figure. Beginning in 1999 and continuing in odd-numbered years, a series of alternate, non-repeating depictions of Britannia have replaced the standing figure on the reverse.
Silver Britannia mintages 
Source: "Silver Britannia Mintage". Silver Bullion World. Retrieved 2 January 2012.
See also 
- Bullion coin (e.g. American Gold Eagle, Australian Gold Nugget, Canadian Gold Maple Leaf, Krugerrand South Africa)
- Chinese lunar coins
- Gold as an investment
- Islamic gold dinar