There are no British general circulation decimal coins that could be considered to have any collector value unless they are "Mint Uncirculated", "Proof", or part of a "Mint" or "Proof" coin set.
The answer depends on the country whose coinage the question is about.
As with Pre-decimal British coinage, South African coinage prior to 1961 was divided into pounds, shillings and pence, abbreviated to £sd. These abbreviations originated from the Latin words librae, solidi, denarii.
Face value essentially. Pre-1982 pennies are worth around 2-3 cents but buyers are scarce. And Nickels are worth around 6 cents but there are no buyers for them.
The larger pre-1998 50 Pence coins were withdrawn from circulation and demonetised in 1998. 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 have little or no value. The Isle of Man currency (Manx Pound)(IMP) is pegged at par with the British Pound Sterling (GBP) and the Isle of Man decimal coinage, for the most part, resembles the dimensions, composition and history to the equivalent British coins. Isle of Man currency is "legal tender" only in the Isle of Man, and is not acceptable tender in Britain.
Sorry to tell you that pre-recorded cassettes have no real value.
It was an ancient tradition that dated back to when the British isles used Roman currency (denarius).
Pre-Awards Special - 1984 TV was released on: USA: 1984
If you're referring to U.S. coins please post a more specific question noting which of the 170 years of coinage, 8 mints, and over a dozen denominations you're interested in.
Pre-1965 US dimes, quarter and half-dollars weigh, respectively, 2.5 grams, 6.25 grams and 12.5 grams, and thus a pound of any of them would have a face value of $18.14. In 1965, with the advent of clad coinage replacing the previous 90% silver then in circulation, the weight of the coins dropped a bit, leaving a pound of such coins with a face value of $20. Thus, an ounce of silver coinage would have a face value of $1.13, or 4 1/2 quarters, and an ounce of clad coinage would be $1.25, or exactly 5 quarters.
No, India has undergone several major changes in their coinage. Inded, some denominations used during the British rule of India no longer exist such as the Anna. The coins used in India today aren't the same size or composition as those used during British rule.
Value would be between £4- £6 as at October 2010.
This goes back to UK pre-decimal coinage. 252 Old Pennies in a Guinea