cast iron sign base

[catguy55]

i have had a coca cola cast iron base for sone time---it held a traffic cop at school crossings probably in the 40s or 50s.   i recently purchased a pepsi cola cast iron base approx same size as the coke one (about 2ft in dia. and 50 to 60 lbs)._x000d_
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what was the pepsi one used for?  how old is it?  worth much???  anything else you can tell me._x000d_
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thanks catguy55