Eagle with the letter "S", Warsaw 1917. 36 x 28.5mm. Made of brass, silver plated. Reverse with a shallow, spilled counterspace, Mounted on two flat pointed plates. Rare version- spaces between paws and wings uncut, Eagle minted before die modification- removal of letter "S". Lit. by Tomasz Zawistowski, Polish Eagles for Caps in 1900-17, p. 147.; Ireneusz Banaszkiewicz, Catalogue of Eagles from the Collection Volume I, p. 45, Very good condition.