The postage stamps of the former State of Bavaria from 1875-1880, specifically the issues featuring the Coat of Arms designs, are among the most valuable and collectible historical artifacts in philately. These stamps, namely the 1 Kreuzer in light green, the 3 Kreuzer in pink, and the 10 Kreuzer in yellow, each in mint (postfrisch) condition, represent both the artistry and the historical significance of Bavaria's postal legacy. 

In 1871, Bavaria became part of the German Empire, but retained autonomy over its postal system until 1920, making Bavarian stamps a unique reflection of regional pride and history. The 1 Kreuzer light green, the 3 Kreuzer pink, and the 10 Kreuzer yellow stamps from the 1875-1880 Coat of Arms series exemplify this period's intricate design and symbolize Bavarian identity. Each stamp features the emblematic Bavarian coat of arms, with bold typography and ornamental detailing, capturing the essence of late 19th-century Bavarian iconography.

The 1 Kreuzer light green stamp is especially valued due to its rarity and delicate color, which is often susceptible to fading, making well-preserved specimens highly sought-after by collectors. Meanwhile, the 3 Kreuzer pink stamp stands out with its vivid hue and serves as a striking symbol of the Bavarian state’s postal heritage. The 10 Kreuzer yellow is particularly rare in pristine condition due to its color’s vulnerability to light exposure. Its value is significantly elevated when found in postfrisch condition, with original gum and no signs of handling.

For collectors, these stamps are not merely postal issues but historical artifacts that offer a glimpse into Bavaria's unique past within the German Empire. Due to their limited print runs and the passage of time, these stamps in mint condition are both rare and valuable. A well-preserved collection of Bavarian stamps from this period can command a high price in the philatelic market, and they are treasured for both their aesthetic appeal and historical significance. Collectors prize these stamps not only for their rarity but for their representation of Bavarian sovereignty during a transformative era in German history. The intricate design, quality, and cultural symbolism embodied in the 1 Kreuzer, 3 Kreuzer, and 10 Kreuzer stamps make them exceptional collectibles and coveted pieces of European philatelic history.