It's not a bad price. VR is the tube type (Euro E188CC, same as US 7308) and 7 is the "revision" or "change" code. I can't see the factory and date codes in the photos, but I see the seller mentions F, which is the Philips factory in France (see that PDF). Following the F should be a single number (that's the year; should be from the 1960s with a 7 change code). After the year number should be a single letter. That represents the month of production (A for January through L for December). There might be another number after the month letter, which would indicate the week within that month (1-5).
I have a pair of E188CCs from that factory (mid-60s, IIRC). There very nice tubes.
OK, looking closer, I think I see F8I2 on one tube, which would be France factory, 1968, September, 2nd week.
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Also, no need to get hung up on "labels" (Dario Miniwatt, et al.). It's more about the factory and the date of production.