Hello Joe, My daughter and son in law live in Waukesha, I live over Platteville way. I see yours has the 'Contains lead' low also and thats where i've seen them, I have no holes down that low for those signs and based on the dimensions of the holes on top thats where they would go on mine. I'm just confused as I hope someone else has some detailed pics of one with a 'Wis test' placement as I think thats where a pair of those holes belong too. Thanks for the picture man thats a beaut!