Can you guess this song?

Here is an oldie I used to hear on my parents' '66 T-Bird radio. I heard it again the other day and, though it's a sad song, it brought back some happy memories:

Habeo picturam tui, quam mihi dedisti,
Et "amore" signatur, sicut erat.
Sola res diversa, sola nova res,
Habeo picturam tui, illa habet te.

Habeo memoriam tui, aut, habetne me?
Vero nescio, sed scio, non discedit me.