Approximate. 1890, "Novelty! Metamorphoses Picture Book", metamorphosis pictures book for children, Printed in Germany, strong well-read, (Image 1) (Image)

"Old German States - special catalogue and handbook", 5. Edition, 1975, Hans Grobe, 717 sides, with supplements, bound, as good as new (Image 1) (Image)

1890, "illustrated STAMPS-JOURNAL", in the publishing house Gebruder Senf appeared, 376 sides, in part some foxing, otherwise very fine copy (Image 1) (Image)

"Swiss airmail catalogue" jubilee issue 1919-1969 50 years Swiss airmail, publishing house: Swiss aerophilatelic society, Zurich, ring binding, 243 sides, traces of use (Image 1) (Image)