2023 $1 Creatures of the Deep Coin & Stamp Cover PNC Envelope Privy Mark

2023 $1 Creatures of the Deep Coin & Stamp Cover PNC - Envelope Privy MarkCSIRO's research vessel (RV) Investigator enables exploration of the deep-sea and ocean abyss of Australia's expansive marine territories.Since the ship was commissioned in 2014, scientists have discovered and studied many extraordinary creatures adapted to living under immense pressure in the dark, cold water several kilometres below the surface of the ocean.This coin & stamp cover features just a few amazing animals of the deep found during RV Investigator research voyages.These include the monkey brittle star (Amphiophiura bullata), a king crab (Neolithodes bronwynae), and the threadfin dragonfish (Echiostoma barbatum).The reverse of the $1 coin depicts the RV Investigator, CSIRO's deep tow camera, along with a brittle star (class Ophiurodea), gold coral 9genus Chrysogorgia) and a king crab (Neolithodes flindersi).Each coin's obverse features the effigy of The Queen Elizabeth II Memorial Obverse designed by Jody Clark and issued as Australian Legal Tender.Issued as Australian legal tender, the uncirculated aluminium bronze coin is housed in a beautifully designed card with circular window revealing the coin's reverse and obverse designs. The design also includes the Envelope Privy Mark and The Perth Mint's traditional 'P' mintmark.Affixed to the envelope is an official Australia Post $1.20 stamp. The envelope is postmarked for the first day of issue and the envelope includes Australia Post's Seal of Authenticity.Postmarked First Day of Issue 18 April 2023, Canberra ACT 2601.Denomination :       $1Finish :                   UncirculatedMetal :                    Aluminium BronzeDiameter :              25 mmWeight :                 9.00 gmsMintage :                7,500Authenticity :          Australia Post Seal of Authenticity