Vintage boxing gloves, super bad gloves by ringside products the phone number is the Kansas City area code.

I don’t know what sizes are, or have an accurate scale to weigh them for boxing weight these do you have the name of Roblin J.C. There was a Jonathan Roblin, who is a professional MMA fighter / boxer. There may be a connection to that fighter? Gloves are from an estate sale in Michigan it is possible

That the gloves are the MMA fighters, I don’t know anything about how the person who live there may have acquired them, or anything about the homeowner in Waterford, Michigan who’s estate sale I bought these from.