To identify a coin for valuing you really need to supply its date, its denomination, and the name of the country that issued it.
However in this case the motto is enough of a clue to get started. It's found on the edge of £1 coins issued since 1983. Unless it's uncirculated it's only worth face value.
As at 28-March-2012, One British Pound is worth $1.59 USD.
Queen Elizabeth the 2 autograph worth a billion dollars. Actually, it depends.
In circulated condition, it's worth about $15
A variety of stamps have been issued during the reign of Queen Elizabeth II. The 4D Queen Elizabeth stamp is worth between .75 and 1.50 pounds.
Queen Elizabeth was not born until 1926, and the Brits do not make "dimes".
These coins are still potentially in circulation so, unless they are part of a Proof or uncirculated mint set or are individual Proof or uncirculated coins and in absolute mint condition, they are worth One Pound. A British 1993 nickel-brass One Pound coin (QE II)(Royal Arms design - edge "DECUS ET TUTAMEN"), uncirculated and in absolute mint condition could fetch up to £5 GBP. A British 1993 nickel-brass One Pound coin (QE II)(Royal Arms design - edge "DECUS ET TUTAMEN")(Proof FDC), uncirculated and in absolute mint condition could fetch up to £6 GBP. A British 1993 One Pound coin (QE II)(Royal Arms design - edge "DECUS ET TUTAMEN")(Proof in silver FDC), uncirculated and in absolute mint condition could fetch up to £30 GBP. A British 1993 One Pound coin (QE II)(Royal Arms design - edge "DECUS ET TUTAMEN")(Proof piedfort in silver FDC), uncirculated and in absolute mint condition could fetch up to £45 GBP. A reputable coin dealer will be able to give a more accurate valuation.
It is estimated that the Queen of England, Queen Elizabeth, is worth approximately $450 million, however this number has been disputed. Her exact net worth in unknown to the public.
She is worth a little over $600 million.
coin
These coins are still potentially in circulation so, unless they are part of a Proof or uncirculated mint set or are individual Proof or uncirculated coins and in absolute mint condition, they are worth One Pound. A British 1983 nickel-brass One Pound coin (Elizabeth II)(Royal Arms design - edge = "DECUS ET TUTAMEN"), uncirculated and in absolute mint condition could fetch up to £5 GBP. A British 1983 nickel-brass One Pound coin (Elizabeth II)(Royal Arms design - edge = "DECUS ET TUTAMEN")(specimen in presentation folder), in absolute mint condition could fetch up to £5 GBP. A British 1983 nickel-brass One Pound coin (Elizabeth II)(Royal Arms design - edge = "DECUS ET TUTAMEN")(Proof FDC), could fetch up to £5 GBP. A British 1983 One Pound coin (Elizabeth II)(Royal Arms design - edge = "DECUS ET TUTAMEN")(Proof in silver FDC), could fetch up to £35 GBP. A British 1983 One Pound coin (Elizabeth II)(Royal Arms design - edge = "DECUS ET TUTAMEN")(Proof piedfort in silver FDC), could fetch up to £125 GBP. A reputable coin dealer will be able to give a more accurate valuation.
10
It may be worth about 40 dollars depending on the quality of the picture.