Previous Post > > > > > Been thinking... > > > > Two Reasons Why This Is Not The Original Earth-2 First we see a picture of Batman on the wall. This picture of Batman has a yellow oval around the bat on his chest. The real Earth-2 Batman NEVER EVER had this yellow oval. > > > I might well say that's artistic /coloring error, it's a minor detail... > > > Geoff Johns is good with those little details...so that's definitely a deliberate move on his part

The circle around the Bat is probably John's way of showing that it's different than the original Earth 2. I suspect that this JSA may not have all dated back to WW II.