2022 20th Anniversary Diary of a Wombat Gold Plated 20 Cent Uncirculated Coin - Deluxe Book. This special release is commemorating Jackie & Bruce Whateley’s award winning book. It also comprises a unique coloured gold-plated coin embedded in the cover which is Australian legal tender. It has a Limited Issue of 3,000 worldwide. This book is presented in a hard-cover deluxe edition with gold foil. This has been released as a special partnership with the Children’s Book Council of Australia and the Royal Australian Mint.