Trade weight symbols

[DownNDirty]

I found this trade weight about a year ago on a late 17th/18th century plantation and I've been trying to figure out what the symbols stand for.



I know that the "A" is for avoirdupois, which is a system of weights based on the principal that 16 ounces equals one pound, and the dagger signifies that it was made in London. What I need help on is the other two symbols. This one looks (to me at least) like a crown over either a "G" (George) or "C" (Charles).



The second one I have no clue about, other than it looks like a possible double strike of a symbol.



Here is the front side



I am mainly wanting to find out the era/time period that it was manufactured, to estimate the approximate age.

Thanks
Glenn

 

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[DCMatt]

This is a bronze weight of the reign of George III, or possibly the earlier part of the reign of George IV. Note the relative positions of the marks - the 'dagger', the fancy A, the ewer, and the royal cypher.


Is this the same?

 

[DownNDirty]

They are in the same position.

 

[Patriot Relics]

Certainly resembles Matt's example

 

[DownNDirty]

View attachment 1384255

This is a bronze weight of the reign of George III, or possibly the earlier part of the reign of George IV. Note the relative positions of the marks - the 'dagger', the fancy A, the ewer, and the royal cypher.


Is this the same?

Thanks Matt-looks like you are spot on again. This one would be George III because the site was abandoned by the late 18th century.