Found the following hamletworks.org entries referring to line 447

View Commentary Note for 447
447 If you haue hetherto conceald this sight1.2.246

View Immaterial Textual Note for 447
447 If you haue hetherto conceald this sight1.2.246

View Material Textual Note for 447
447 If you haue hetherto conceald this sight1.2.246