Mints in the US sell sets. Every year they offer them. They come in plastic wrappers, or special cases, and are meant to be collected. Old mint sets are quite valuable to collectors. More recent ones are not.
There were no coin sets made in 1789.
Coin sets of presidents have been minted by many sources over the years. There is no single value that applies to all of them so in order to get an accurate estimate of value you will have to be more specific as to which coin set you are asking about.
The first Australian "Baby" coin sets were produced in 1993.
The values depend on the dates of the sets, include dates and post new question.
You can bring them to a coin dealer but you will get more selling them on EBay. Most sets are not very valuable. you can easily Google the year and get the value.
Value depends on if the sets are US Mint issue Proof or Uncirculated coin sets or sets assembled from circulated coins. Post new question with more information.
Uncirculated sets have been made for many years. Please post a new question for a specific date.
There were no Australian coin year sets issued in 1942.
Many coin supply companies offer different albums for different coin sets. Each has its own value so it would depend upon which company you bought it from.
With the exception of certain proof sets, they are only worth the face value of the coin.
Average retail value is $9.00 issue price was $5.00
Need to know if "sets" are Mint issue Proof or Uncirculated sets, please post new question.