1918 German field post card, Feldlazarett 327, Reval/Tallinn – Weitbruch, Kreis Hagenau, i. Elsaß

Sent from German field hospital, likely in Reval/Tallinn. Violet letter cachet “Feldlazarett 327 * Dtsche Feldpost 768/Brief-Stempel”. Sender address ends with field post office number 686.