Iceland: Airmail labels 3

Here some more airmail labels from Iceland. The first one is older one and the others are newer design.

Year: 7.1933, Gummed. Günter Mair's catalogue no: - ICL-A-2, perforated 10 ¾ , sheets of 4(1x4),
Issued for "Hopflug Itala" (Balbo) Reykjavik-Chicago, black/blue, 5*****

Year: ?, Self-adhesive. Günter Mair's catalogue no: - ICL-A-?, imperforated, V rolls, glossy,
ref.:"IP 638", dark blue/white

Year: ?, Self-adhesive. Günter Mair's catalogue no: - ICL-A-?, imperforated, V rolls, glossy,
ref.:"IP 638", blue/white

Year: ?, Self-adhesive. Günter Mair's catalogue no: - ICL-A-?, imperforated, H rolls, glossy,
ref.:"IP 652", dark blue/white