Could a visa expired stamp on a previous Schengen visa affect?
If it was stamped thus because you overstayed on it, yes. If it was stamped for some other important reason that you failed to declare when asked, yes. Otherwise, I doubt it.
If it was stamped thus because you overstayed on it, yes. If it was stamped for some other important reason that you failed to declare when asked, yes. Otherwise, I doubt it.