ANACS 1865 three cent nickel broadstrike, with the coin expanded well beyond it's proper diameter.  One of the most affordable earlier type errors, with Indian cents being the only other series...

NGC 1865 three cent nickel struck 10% off-center. The coin is off-center at the 11 o'clock position. Although three cent nickel off-centers are scarce, this is the most common date.   F15

NGC 1867 three cent nickel flipover double-strike, and the nicest we have ever seen on a 3CN. There is strong design detail of the reverse on the coin’s obverse, and also most of the date is visible...

NGC 1865 three cent nickel struck 30% off-center at K-11. Dramatic in appearance, with a large portion of the planchet visible and also the design.   Major off-center three cent nickels are...

Scarce date 1953 nickel broadstruck.  

NGC 1897 Liberty nickel broadstruck. The coin was struck out of collar, allowing it to expand beyond its normal diameter.  AU53