Portrait photography set - 4 pieces

Set of portrait photographs - 4 pieces. 1) Photograph of a young soldier wearing a jacket with a fur collar, sitting in a photo shop. On the back a note: "June 1920". Dimensions: 13.8x8.7 cm. Condition of preservation: good. 2) Photograph of a young soldier posing seated in a photographic establishment. On the back handwritten description: "In token of sincere kindness I offer my likeness to my colleague W. Doliński -[illegible signature] Piotrków 1/X919r.". Dimensions: 13.8x8.7 cm. State of preservation: good. 3) Portrait photograph of a young soldier. On the back, partly illegible: "On trumpet street No15[...]" and "Sympathetic Bronka is offered by Janek. Lodz, dn. 22.1.22.". Dimensions: 13.8x8.9 cm. Condition: rubbed edges and corners of paper, folds, dirt. 4) Portrait photograph of two young soldiers in uniforms without caps. Dimensions: 13.5x8.5 cm. State of preservation: good, fold of lower right corner.