This 55-cent Austrian stamp, issued in 2010, features a delicate watercolor-style illustration of Rosa centifolia 'Bullata', a variety of cabbage rose known for its full blooms...

Issued in 1974, this 60 haléřů stamp from Czechoslovakia features a colorful artwork titled Tulipány (Tulips), painted in 1973 by Czech artist Josef Brož (b. 1904)....

This Austrian semi-postal stamp, denominated at 2.40 schilling + 60 groschen surcharge, was issued in honor of the Olympic Games. It features the Olympic rings behind...

Issued in 1974, this striking two-stamp set from Romania commemorates the centenary of horse racing in the country—“Centenarul Curselor de Cai din România.” The 40 bani...

These 1969 zodiac-themed stamps from San Marino feature striking depictions of the Leo (L.5) and Cancer (L.4) constellations, with major stars like Regulus, Denebola, and Al...

These Spanish stamps depict the iconic tradition of bullfighting. The 50 cts blue airmail stamp shows a matador on foot with a cape (Corrida de Toros),...

These striking triangular stamps were issued by the Companhia de Moçambique (Mozambique Company), a chartered company under Portuguese colonial rule. The 45 centavos stamp depicts a...

These charming stamps from Poland depict the Kot Europejski (European Shorthair cat) in two expressive poses—a playful, yawning kitten on the 40 groszy stamp and a...

This beautifully illustrated Venezuelan airmail set features three iconic species from South America's tropical forests. The 2.00 Bs stamp shows the elusive jaguar (Felis onca), the...

Germany 20 Pfennig stamp featuring the stylized eagle and bold wavy-line design, in purple and orange tones. This  used stamp includes a perfin (perforated initials), indicating...

Issued in 1992, this Romanian stamp set features expressive illustrations of horses by renowned artist Marcel Chirnoagă. The designs on the 6L, 7L, and 10L denominations...

Issued by the Islamic Republic of Mauritania, this 0.50 franc stamp features a beautifully engraved depiction of the striped hyena (Hyena hyaena), identified as "Hyène Rayée"...