Postal cards with Fischer 4-5

Plebiscites - Górny Śląsk (Upper Silesia)
Fischer Cp 1-2 GÓRNY ŚLĄSK | Year of issue 1920

The postal cards have inscriptions in German, French and Polish: POSTKARTE, CARTE POSTALE, and KARTA POCZTOWA.
Cp 1 and 2 have stamp images like (Górny Śląsk) Fischer 4 and 5 respectively.

Cp 1

Cp 2