Watch List notes:

The Exchange Bank of Canada; 1872 $4 #21031 EXETER Blue Overprint CH-245-10-02b, Legacy Currency Grading Fine-15PPQ. Should be considered as an exciting new find and extremely Rare for type. Both Charlton and CPMS identify one example in Private collection in a Fine grade. Our research shows that even the National Currency Collection as not having this issue in its collection. A nice problem free Fine Example with typical wear for grade.