The seller is very rude and is selling at a very low price. He is not giving out address (so I collect and pay cash) and phone number. His German is bad - not expected from somebody with a German name in Germany.
Here's the data for his account, which might be stolen identity or hacked one and not belonging to this person:
Weikert Dietmar
IBAN: DE16100110012629587270 ( DE16 1001 1001 2629 5872 70 )
BIC: NTSBDEB1XXX