here's a close up of the dish lid knob

a little less close.

That's a hard one......I think it's a later edition of a slightly irridescent flashed glass that has had most of the irridencence washed off. I can't find a picture ( but haven't looked very hard!)....dates from 1950's...or perhaps 40's.
The color appears "on" the galss rather than "in"...is that so? In person?

Color is always hard on the monitor but no, it's not irridescent and it's most definitely IN the glass not on it. It really does appear consistent even where there are small chips, the color seems to be present. Again, it is SOOOO faint that I don't know that it's an application.

And it definitely dates before the depression and there is anecdotal reports that it goes well before that - supposedly 5 generations. I'm not looking to set a value, just for general knowledge value.

Can you get as sharp a picture of the bottom of the foot as you did of the finial?
I am very puzzled....I swear I never saw any glass that color....and the style and pattern (or lack of) makes it harder.
On the 5 generations thing....I have "my great great grandmother Konklin's sugar bowl"...Grandma's daughter was born in 1869....so he mother was likely born about 1849....and it's said to be her sugar bowl.....but the pattern is a pattern from 1910.....so....??