Found the following hamletworks.org entries referring to line 1769-70

View Commentary Note for 1768-9
1768-9 late beautie into his likenes, | this was sometime a paradox, but now the 

View Material Textual Note for 1768-9
1768-9 late beautie into his likenes, | this was sometime a paradox, but now the 

View Commentary Note for 1769-70
1769-70 time giues it | proofe, I did loue you once. 

View Material Textual Note for 1769-70
1769-70 time giues it | proofe, I did loue you once.