2024 His Majesty King Charles III 2-Coin Limited-Edition Impressions PNC

From Australia Post Impressions 2025 this Postmarked Postal Numismatic Cover is a limited edition with only 850 issued. 

It features the King's Birthday stamps from 2023 and 2024 stamp issues

Cover size 230mm (w) x 162mm (h) presented in a clear cover