Art Deco Dr Pepper?

[mingoman64]

I've found several of these, but this is the first mostly intact one.
The only markings are D P B Co around the bottle and Blytheville Ark on the base.
Is this a Dr Pepper or a mystery bottler?

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[bubbas dad]

i don't know for sure but my guess would be a flavor bottle from a dr pepper bottler.

 

[HouTxSoda]

Is there a glass makers mark on the bottle anywhere, such as 3 Rivers?

 

[mingoman64]

Is there a glass makers mark on the bottle anywhere, such as 3 Rivers?

Only markings I can find are LG or possibly LC on the heel and base plus 501 on the heel.
There is another single digit on the base, but not distinct enough to make out.

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[bottle-o-pop]

It is a Dr Pepper bottle. However it surely did not contain the actual Dr Pepper soda, but instead contained another flavor such as orange, grape, etc.

 

[bottle-o-pop]

Is the marking LG, a space, and two digits,
or is the marking L-G or maybe L G W?

I don't know of a LC.