[ 502 ] 
There are befides, in the Britifh Mufenm, two of 
125 grains, like c. 2, and 4. in Tab. IX. of the 
Pembroke colledlion j one of 1244 3* 
all very little worn; and a fourth of 1244 gi’ains, 
like c. 4. Tab. VII. which feems to be perfedl. Dr. 
Hunter hath two perfeft gold coins, one like c. 3. 
Tab. VIII. weighing 125I grains; the other like 
c. 2. Tab. IX. which weighs 125!. 
Thefe ten coins give a mean Aureus of 1264^ 
grains. 
The Pembroke collection contains forty Aurei, from 
Pompey to the end of the Commonwealth. One of 
them weighs 127 grains; two 126I; fix 126; and 
the reft from 125 1 to 123; except two of 121, 
which, being probably fomewhat worn, or otherwife 
diminifhed, may fafely be rejected. The remaining 
38 added to the ten above-mentioned, give a mean 
Aureus of 1 254^ grains. 
But confidering that thirteen of the forty-eight 
weigh from i28f to 126 grains, and that many of 
the reft are probably fomewhat worn, we may fairly 
take 1 26 grains for the ftandard weight of this coin ; 
and the number of pieces under 1 25 grains, that are 
vouched for perfeCl, will not allow it to be greater. 
Bouteroue mentions two perfeCt Aurei of Julius 
Caefar, each weighing 152 Paris grains, equal to 1 24-^ 
Troy. And Greaves in his firft Table hath marked 
three of Julius for perfeCl, which weigh 122I, 1234-, 
tnd 124I grains. 
If the Aureus of forty in the Pound weighed 1 26 
Troy grains, the Roman Pound muft Weigh 5040. 
The weight of this coin was gradually diminifhed 
by the Emperors, till in Pliny’s time forty-five were 
ftruck 
