This yields a "YES" answer to Question #2 and we know that this is a narrow mouth/bore machine-made bottle which very likely dates no earlier than 1905 and probably 1910. (Note: This section of the dating key is a series of independent questions where the answer to any given question is not dependent on the answer to another; a user may view the questions in any order.)In reading through "B", there are a couple other options available to help refine the dating a bit.If one looks closely at the thick glass in the base of the bottle, one can see that the glass is not quite perfectly colorless, but instead has a slight "straw" or washed out amber tint to the glass (picture of base below).Vi önskar dig mycket nöje på en spännande upptäcktsresa i vår värld av samlarobjekt och gåvor.Official products are sold directly through Avon's sales reps and come with certificates of authenticity.This is a result of using arsenic and/or selenium as the glass decolorizer.
California Perfume began marketing products under the Avon brand in 1928 and was officially renamed Avon Products Inc.
(Note: The "I" can appear as a dot in the middle of this mark like with this bottle, though on most it is a more or less distinctive "I".)Reading down through the narrative in Question #11, we find out that the number just to the right of the Diamond-O-I mark is the last two digits of the year the bottle was manufactured, which on this bottle is a "46".
So at this point we know that this bottle was made in 1946.
It shows that the side mold seam does go up to and through the finish/lip all the way to the top of the bottle.
The bottle also does not have a ground down surface on the top of the finish.