How old is this horn?

[idrivemopar]

How old is this sparton horn? It works, believe its the high frequency.

 

[greycharger]

There should be some numbers on it.

 

[idrivemopar]

Only numbers I find are "2B" and that is it, just has the sparton name and made in USA on one side and Sparton 12V on the other.

 

[Maxrat]

How old is this sparton horn? It works, believe its the high frequency.

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1958 Plymouth https://www.ebay.com/itm/173870265619

 

[idrivemopar]

Good find, I looked but didn't see that one. I see that one in the ad is the low, which would explain the dual connectors and why mine has only one, as its the high frequency.