Deletion of Signal Over the City

Comment: per Andrew D. The film was also preserved by the Croatian State Archives https://webcache.googleusercontent.com/search?q=cache:se3YITad8EIJ:http://zagreb.arhiv.hr/hr/hda/kinoteka/Hrvatski_DGM.doc%2Bsignali+nad+gradom+site:arhiv.hr&hl=en&gbv=1&ct=clnk, thus it meets  #4
Stance: keep
Cited policy: Wikipedia:Notability (WP:NFILM)