On your next visit to New York do not forget to see the Metropolitan Museum of Arts. Last time I was there I concentrated on their collection of Impressionists and brought home a bunch of lovely reproductions.
The museum has quite sizeable collection of things related to Poland - I googled 491 items in their catalogue. This includes books, engravings, photographs, decorative arts, sashes, tankards, etc. Not all items have images available in the catalogue. I am presenting just few of them here.
Bona Sforza (1493-1557), Queen of Poland
Cameo by Giovanni Jacopo Caraglio (Italian, Parma or Verona ca. 1500/1505-1565 Krakow (?))
metmuseum.org/Collections/search-the-collections/120008368
Ceremony of the Contract of Marriage between Vladislas IV, King of Poland, and Louise Marie Gonzaga, Princess of Mantua, at Fontainebleau
Etching by Abraham Bosse (French, Tours 1602-1676 Paris)
Tadeus Langier, Zakopane
Gelatin silver print by Stanislaw Ignacy Witkiewicz (Polish, 1885-1939)
Shaffron Belonging to an Armor of Duke Nikolaus "the Black" Radziwill
Steel, brass, gold. paint by Kunz (Konrad) Lochner (German, Nuremberg, 1510-1567)
Backplate and Hoguine (Rump Defense)
(for Jerzy Herkules Radziwiłł)
Steel, embossed, etched, and gilt by Kolman Helmschmid (German, Augsburg, 1471-1532)
Kozioł, bagpipe
Wood, brass, horn, goatskin
Late 19c. Poland

Backplate and Hoguine (Rump Defense) (for Jerzy Herkules Radziwi)

Kozioł - Polish backpipe