This classic 1867 stamp from the Kingdom of Bavaria bears the 3 Kreuzer denomination in a vibrant carmine red. The stamp is neatly postmarked with a...

This 1867 issue from the Kingdom of Bavaria features the 6 Kreuzer denomination in a deep brown hue. It bears a prominent black "130" numeral cancel...

This antique Dutch postal card, marked “Briefkaart,” features a 2½ cent purple stamp printed directly on the card, issued by Nederland . The postcard carries two...

This striking 1867 9 Kreuzer stamp from Bavaria is printed in a vivid green shade and exhibits the famed "inverted center" — a collectible printing error...

This is a classic 6 Kreuzer red-brown stamp from the Kingdom of Bavaria, issued in 1862. Featuring the ornate numeral design and “FRANCO” inscription, it bears...

This is a striking 6 Kreuzer blue stamp from Bavaria, issued in 1862 and bearing the ornate numeral "6" design. Printed in deep blue and inscribed...

This classic 6 Kreuzer stamp from Bavaria, issued in 1862, features the ornate numeral "6" in a rich brown shade. The word "SECHS" is boldly displayed...

This 1867 1 Kreuzer yellow stamp from Bavaria is a standout from the early German States issues. Featuring the intricate numeral "1" at center and clear...

This classic 3 Kreuzer blue stamp from Bavaria, issued in 1867, displays the ornate numeral “3” at center, with “DREI” and “KREUZER” flanking the sides. It...

Issued in 1992, this Australian 45-cent stamp celebrates the opening of the Sydney Harbour Tunnel, a major infrastructure project easing traffic across Sydney. The artwork cleverly...

This 1992 British 50p stamp features a stylized oak tree with acorns, symbolizing strength and endurance. It forms part of the “Regional Definitive” or country pictorial...

Issued by Éire in 2006, this 75c commemorative stamp honors the 90th anniversary of the Battle of the Somme, a pivotal and tragic World War I...