Yes Rob... he seems to have a pipeline to rare pennants that never dries up.
Do you have an idea of which NY Giants Pennant fits into this series? Based on font and graphics, I would think perhaps this one linked below...
https://www.ebay.com/itm/1950s-New-Y...cAAOSw9GhYau2k
But it's common as hell compared to the others, so it's tough to figure this out.