Beautiful bag! If the stain does not lighten enough for you, you may want to mix some matching acrylic paint with conditioner and very conservatively 'paint' over the stain. You don't need to cover it perfectly - just blending the discoloration into the surrounding leather will help immensely. You just want to keep the eye from stopping on that markI have a camel Willis that I touched up with Folk Art paint mixed with Leather Milk. It does change the texture if the leather so use as little as possible. Others here have more experience than I do using acrylic so you may want to search through old threads. Good luck!
I might have to try that, thanks! The bag is now dry and the spot is definitely still visible. It doesn’t bother me enough to not carry it, but would be nice to make it a bit less obvious.