130BCD chainring for First Gen Dura-Ace crank - anything to be aware of?

I recently bought a couple Willow chainrings in 130BCD, 48t and 49t. I replaced the 52t ring with the 49. So far, so good.

I'd like to find a vg/new 38t ring to replace the 42t inner. Scanning eBay, I saw plenty of options, though many purported to be for 10sp or 11sp setups. I did see some...