Found the following hamletworks.org entries referring to line 3715-6

View Commentary Note for 3714, etc.
3714 Ham. No by this hand.5.2.258
3715-6 King. Giue them the foiles young Ostricke, | cosin Hamlet, 3715-6 
3716 You knowe the wager.5.2.260

View Material Textual Note for 3714, etc.
3714 Ham. No by this hand.5.2.258
3715-6 King. Giue them the foiles young Ostricke, | cosin Hamlet, 3715-6 
3716 You knowe the wager.5.2.260