Infra red light

[Tommo 2]

View attachment 43325
This is my favourite green bottle..found in a field. Probably from 1800's..

I once found nine of them hanging on a wall

 

[An Ankoù]

This is what a man on the internet said:

I don't think it's an issue of whether or not it will pass through the glass, rather than infra red doesn't have the energy to bring about the changes that result in skunking.