Large circular silver-tone badge/medal for merit in mine rescue service (Grubenwehr). Obverse: crossed mining hammers on star cross, party eagle at bottom, inscription “Für Verdienste um de Gruben-Rettungs-Wesen.” Reverse stamped PREUSS. STAATS-MÜNZE — the Prussian State Mint, Berlin. Horizontal pin fitting. High-quality official issue.