help on age of Dr. Pepper bottle and it maker mark

[GB1]

i got this bottle at a garage sale for $2 i can't find the age or the makers mark its a R in a circle. Thanks for your help. Gold Boy

 

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[Mackaydon]

[FONT=&quot] [/FONT][FONT=&quot]The regulation of trademarks in the United States is the job of the Patent and Trademark Office (PTO) in Washington D.C., where anyone can search the archives for existing trademarks and register new ones. [/FONT][FONT=&quot]Registered trademarks have the little circle around the letter R symbol after the name--as on your bottle.
Don....[/FONT]

 

[GB1]

[FONT="] [/FONT][/COLOR][COLOR=#000000][FONT="]The regulation of trademarks in the United States is the job of the Patent and Trademark Office (PTO) in Washington D.C., where anyone can search the archives for existing trademarks and register new ones. [/FONT][FONT="]Registered trademarks have the little circle around the letter R symbol after the name--as on your bottle.
Don....[/FONT]

Thank you

 

[A2coins]

Cool bottle

 

[lairmo]

I've drank from one of those...lol