The above ad place by Dickey in October of 1864 claims he started his business fourteen years earlier in 1850. This is the earliest ad I could find for Dickey while he was operating at Howard and Third Street in a frame building.
The above 1872 advertisement for the Pacific Chemical Works has an endorsement from Dickey at his new address of Fourth and Market along with the endorsements of some pretty well known San Francisco chemists and apothecaries.
A "run" of Dickey's - the bottle third from the left is a earlier variant of the Dickey Chemist bottle possibly dating from the early 1870's.
An early flat base Dickey
Late 1870's - 1880's indented base
I believe the above advertisement is for the embossed Dickey bottle
(early multi tasking - a remedy for acne that you can brush your teeth with )
The amber examples in this picture date from the 1890's
Flat embossing on the early 1870's era bottle
Sharp embossing on a 1890's example - notice anything different about this bottle?
Yep, the pestle is on the left side of the mortar instead of the right side.
The Dickey Pioneer 1850 Chemist S.F. is not a rare or expensive bottle to obtain and can be found at almost every western bottle show. If you are looking for a historic western medicine bottle to add to your collection that comes in several variants and colors consider old Geo. S. Dickey's pioneer chemist bottle.
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From Andrew K:
Here are some photos of the rare mid to late 1880s variant. I have dug two examples of these and both were in solid 80s holes. I believe it could be the same as the third example from the left in your run that you identified as an early 70s example. Is that one also tooled ? The base and embossing seem to be identical. For as 'common' as these are, we really don't dig too many.
The blue example (that I have pictured) is the same as the amber example that Andrew has pictured. I believe Andrew is correct on the age of these bottles as mid 1880's and yes it has a tool top. It is believed that the tool top with the flat embossing is earlier than the applied top examples.
rs