On the following lists, all postcards are catalogued this way:

Number:

A sequential number that identifies each postcard.

All cards marked with (X2) after the number, cost the double of the regular price.
All cards marked with (X1,5) after the number, cost the regular price multiplied by 1,5.
All the others cost the regular price.

Registration:

The airplane’s registration number.

Plane/model:

The name of the airplane manufacturer and its model.

Company:

The aerial company that operated that particular airplane.

Code:

A two letter code that describes the way the plane was captured in the postcard:

AA: Air-to-air photo.
LD: plane on the air, moments before landing.
ST: standing plane.
TD: plane landing (touchdown).
TO: plane taking off
TX: plane on the taxi-way.
BQ: Bad print quality.
RP: reposition of a sold-out card.

Supplier:

The postcard’s manufacturer and it’s collection number.