Holograph notes on Venetian coins
<text in Isaac Newton’s hand begins>☉ Zacheen of Venice 2dwt 5gr. / 23 carats 3gr. 22. 23 ∷ 88. 95 ∷ 53:
{illeg} Ducat 14dwt 18gr = 354gr. 11 ∷ 354
In one parcel
<text in Unknown Hand begins>27. Guineas & 2. Guineas Bad, & 14 Good Guineas
<text in Isaac Newton’s hand begins>In another
<text in Unknown Hand begins>15. Guineas & Bad. 9. Guineas & Good
<text in Isaac Newton’s hand begins>In another.
<text in Unknown Hand begins>83. Guineas & bad. 33. Good
<text in Isaac Newton’s hand begins>A Venetian Zacheen of ☉ weighs 2dwt 5gr is better 1car 3gr equals 57gr of our standard gold.
A Venetian Ducat of ☽ weighs 14dwt 18gr = 354gr is worse 1oz 4dwt equals 315gr of our standard ☽.
In Venice a Ducat is 124 sols & 3 Ducats 12 sols (= 977 grains of our standard ☽) is the value of a Zacheen at Venice
In Holland & Germany a Ducat of ☉ is better & weights 2dwt. 5gr.
Source
MINT 19/2/41, National Archives, Kew, Richmond, Surrey, UKca. 1702, c. 146 words.