2025 World's Most Expensive Stamps - Baden 9 Kreuzer Silver Proof CoinIn 1851, a stamp was released that was supposed to be blue but was printed in the colour used for a different denomination. This printing error became one of the greatest philatelic sensations in Europe. Today, stamp from Baden, with its mistaken colour, ranks among the rarest and most valuable stamps in the world. The silver coin featuring its image combines historical significance and collectors value, appealing to those who appreciate precisely

000 worldwide

The 2025 20c HM King Charles III Coin with the standard design sculpted by Stuart Devlin

the Kangaroo

It captured the imagination of the Canadian public

The reverse also includes the inscription ‘KOOKABURRA 35th ANNIVERSARY’

Can you spot the metallic colour printing on his shirt and the honey pot

In Chinese element theory

5g Gold Proof Coin in Card

The coin’s unique serial number is provided

each foil showcases the energy

and an exquisite floral pattern

Forming at high altitudes at extremely low temperatures