After a fruitless day at a woods site, for the last hour of daylight retreated to a home Ive done before, neighbor just getting home, I jokingly yell you really want me to detect your place right? And he says sure do, alright! (1880 house). I think its been detected before, because all I got was a few wheaties, this Indian and help me out, is this a RR claim tag? Says BH 7, doesnt say B&H7. On back it says Milwaukee. I notice there is a company named BH from Milwaukee, that makes specialty washers, is that what this could be, or does the slot at the top designate it more likely to be a baggage tag? Im in an area perhaps 100 miles from Bath and Hammondsport, where there was a rail line with those letters as it trademark years ago. I did see something about a Milwaukee RR, merging with others years ago also. Took me an hour to clean the IH, it was covered with hardened pine sap, but shes a beauty for sure. Thanks for looking and any input, CO