They are also very hard to sell as well. I've tried at yard sales and such for $1 each. Finally lowered to 50 cents each. No sales!
I was panicking just reading that!
Thanks for the good catch! It was really worn down, I believe it to be 20 for 1920 but it could also be a 26? I need a second opinion on this!
Ok so Blue is Cobalt, amethyst is maganese, I heard reds contain some gold.
How about green or emerald green? Same would apply to insulators I guess as well
Your Bay City TEX Pat. D is a good one! Dated on the lower side (the 2 digits to right of maker's mark) could be anywhere from38 to 51. (The earlier the better!) Most D pats are very under-rated....
want to see photos of anyone's bottles for early photo chemistry.... i'll try to post mine soon as i figure out how.