Very nice set of rifles I have always like my 70's and have a little collection of my own. Yours appear well care for and loved. I also have mine topped with Leupold scopes and Alumina covers. Mine are 243, 30-06, 300 H&H, 375 H&H. Only the 300 is pre 64 the others are of the good quality recent manufacture.
It is a quandary when you open the cupboard to go hunting and their all looking at you saying pick me, pick me.