Found the following hamletworks.org entries referring to line 3369

View Commentary Note for 3368-69
3368-9 Renish on my head once; this same skull | sir, <this same Scull sir,> was {sir} Yoricks skull, the 
3369 Kings Iester5.1.181

View Material Textual Note for 3368-69
3368-9 Renish on my head once; this same skull | sir, <this same Scull sir,> was {sir} Yoricks skull, the 
3369 Kings Iester5.1.181