The catalogue presents some of the most beautiful and interesting philatelic objects held by the Lithuanian Sea Museum. Almost 300 stamps, envelopes, postcards and other maritime-themed objects were selected from a collection of approximately 9,000 items. The objects cover the period from 1863 to 2022.

The first part introduces philately, explains its collection at the Lithuanian Sea Museum and presents 50 selected stamps.

The second part presents ship-mail material connected with Lithuania. Its postcards and envelopes are organized into five categories: 1. Ship mail in the Curonian Lagoon; 2. German Navy Post; 3. Ship mail in the Baltic and North Seas; 4. Ship mail in the Atlantic Ocean; 5. Ship mail after 1945.

The third part traces important events, processes, personalities and ships in Lithuanian maritime history, from Viking times to the present day.

The publication is in Lithuanian and English.