licences

perhaps y'all might have answers--- a good thing to do on a rainy week in the Finger Lakes, go through my collection---1) a baggage tag from the C & J RR, Canandaigua, N.Y. (what's the J for??) 2) two aluminum licences from Seneca County© 1900 made by C.H. Morse and Son (what did they licence?)...