Letter from Samuel Garth concerning the text of a medal

<text in Samuel Garth’s hand begins>To Sr Isaac Newton

Sr

I beg you will not think mee impertinent in troubling you with this. it is upon ye account of ye Medall

Proceribus populis concentientibus

I think it will be better thus

Senatu Populo sancientibus

Proceres is but a Metaphor & is properly Off ye Off Beams in buildings, and expresses rather cheif Officers than Noblemen

Populos is read in ye plurall number but I think ofter in ye singular sancire leges in Tully's word

I am yor most obedient Serv

S: Garth