blackhawk oil Iowa - Mon May 27 2019 01:22 PM
Not mine, but someone from Iowa might like it.
https://www.ebay.com/itm/Black-Hawk-OIL-Company-Limited-1922-antique-stock-certificate/401770497142?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649
https://www.ebay.com/itm/Black-Hawk-OIL-Company-Limited-1922-antique-stock-certificate/401770497142?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649