2019 Freshwater Crayfish Medallion & Stamp Cover PNC International Year of Astronomy Coin Set After his resignation from the

After his resignation from the project in 1966

Denomination :                  3 x MedallionQuality :                            UncirculatedMetal :                              Zinc AlloyWeight :                            64

the protection of mankind

the Australian Prime Minister

along with the inscription LUDWIG LEICHHARDT

2019 Freshwater Crayfish Medallion & Stamp Cover PNC International Year of Astronomy Coin Set After his resignation from the2019 Freshwater Crayfish Medallion & Stamp Cover PNCAustralian rivers, creeks and wetlands host a great diversity of at least 143 species of freshwater crayfish. The colourful Lamington Spiny Crayfish(Euastacus sulcatus)is typically bright blue with white highlights and red connective tissue. Classified as vulnerable, the species is found in streams in highland rainforests of south east Queensland and north east New South Wales and individuals weigh