Common?

[Jake2150]

Thought this was a Sawyers Crystal Blueing til I washed it and read “Death to all bugs!” Site search didn’t turn up any info. Anyone come across these? Thanks
-Jake

 

[nhpharm]

Very scarce bottle. I've seen two over the years...one was just like yours and the other looked a touch earlier and was cornflower blue. I would think that it would be a pretty desirable bottle.

 

[Timelypicken]

Common or not it’s really cool

 

[Poison_Us]

This is a KX-? Bug poison. Would have to do a lot of digging to see if this is documented or not. But initial hunt has not found it yet. Bug Poison and Formaldehyde bottles are the only 2 classification we have that go by its contents rather than bottle shape. Not sure the reasoning behind it.