Poland 1921, Eagle on a Baroque Shield series, 3-mark stamp in light blue, typographically printed and designed by Edward Trojanowski. Issued on January 25, 1921, and valid until October 12, 1923, this definitive stamp features the Polish heraldic white eagle placed within a richly ornamented baroque shield, symbolizing national pride and resilience during the formative years of the Second Polish Republic. The stamp is printed on grey paper with either vertical (l) or horizontal (k1) stripes, with variable perforation types depending on the production batch. Catalogued as Polish Stamps Catalog PL 116a and listed as a minor variety of #198544. Offered here in mint never hinged (MNH) condition as a complete sheet of 100 stamps, this issue holds both aesthetic and historical value as part of post-World War I Polish statehood consolidation. Estimate "$75 – 90"