2025 World's Most Expensive Stamps - Mauritius Post Silver Proof Coin pre-order One of the first silver

One of the first silver editions of The Sovereign in The Royal Mint’s 1

As well as the inscription ‘KOALA’

Sleek Packaging: Secured with anti-tamper tape

alongside the Public Seal of Niue confirming it as legal tender

complete with a transparent lid to facilitate ease of display

2025 World's Most Expensive Stamps - Mauritius Post Silver Proof Coin pre-order One of the first silverIn 1847, two stamps inscribed POST OFFICE One Penny and Two Pence were issued in Port Louis. Of the 500 copies of each denomination, only 26 or 27 are known to exist today, depending on the source. Most remain in museum and royal collections, which is why they appear on the market extremely rarely. This silver coin preserves the original colours and typography, highlighting one of philatelys most coveted subjects.