You will have a lot of fun with this set. In my opinion the 1823/2 and 1827 do not count for the average person and I am an average person. These are just too scarce and way too expensive. Other than these two I have a complete set of large and small diameter CBQ's. My large diameters are all graded problem free examples ranging from VG to F. Small diameters are also problem free and range from VF20-VF35.
Your main challenge will be finding problem free examples at a decent price. Most sellers on eBay ask way too much and you constantly see the same coins over and over and over again.
George...I have an extra 1822 graded G6 by PCGS
if interested. In my opinion, the 1822 is tougher than the 1815 to find problem free.