This week, I have seen a shop sign1 that basically ran as:
Am Montag, den 4. Mai 2020 sind wir in alter Frische wieder für Sie da.
I understand that “in alter Frische“ could mean “fully operational”, “fresh as ever” etc and would like to know how this interesting phrase came into being.
EDIT: Also found this text on Google Images, which seems to appear in many humorous formats.
Source: (1) Paraphrased from Linguee