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A postmark is an inked rubber stamp, with an imprint that indicates the date and place. A postal worker will press the postmark onto your letter to show the stamp has been used for postage. The date on the postmark records where and when the item enters the mail system.

Postmarks are just as unique and fascinating as stamps themselves. Take a look at some of our latest ones, and learn how to perfectly place postmark ink onto your collectable items.

  • Christmas - Secular
    Issue date: 3 November 2025

  • Christmas - Religious
    Issue date: 3 November 2025

  • The King's Birthday
    Issue date: 28 October 2025

  • Tasmania's Convict Bridges
    Issue date: 14 October 2025

  • Journey to Wellbeing
    Issue date: 7 October 2025

  • Astronomical Observatories
    Issue date: 30 September 2025

  • Ngana Nyitting The Art of Kevin Bynder
    Issue date: 16 September 2025

  • Ford: 100 Years in Australia
    Issue date: 2 September 2025

  • Australian Antarctic Territory - Antarctic Krill
    Issue date: 26 August 2025

  • Margaret Preston 1875-1963
    Issue date: 12 August 2025

  • Ferdinand Von Mueller 1825-1896
    Issue date: 5 August 2025

  • Cherished Celebrations
    Issue date: 21 July 2025

  • Opals
    Issue date: 17 July 2025

  • Opals (International)
    Issue date: 24 June 2025

  • Norfolk Island - Nature
    Issue date: 17 June 2025

  • Bark Painting of Arnhem Land
    Issue date: 10 June 2025

  • Corals of Cocos (Keeling) Island
    Issue date: 20 May 2025

  • Endangered Freshwater Fishes
    Issue date: 20 May 2025

  • World Heritage Islands
    Issue date: 6 May 2025

  • AAT Aurora Australis
    Issue date: 22 April 2025

  • Postcards from the Front
    Issue date: 15 April 2025

  • Raptors – Birds of Prey
    Issue date: 8 April 2025

  • 50 Years of Colour TV
    Issue date: 25 March 2025

  • Christmas Island Cultural Festivals
    Issue date: 18 March 2025

  • Living Seashells
    Issue date: 11 March 2025

  • Best Friends
    Issue date: 18 February 2025

  • 50th Anniversary of the Australian Honours System
    Issue date: 11 February 2025

  • Norfolk Island Second Penal Settlement 1825 – 1855
    Issue date: 4 February 2025

  • Native Orchids
    Issue date: 21 January 2025

  • Christmas Island Lunar New Year of the Snake
    Issue date: 7 January 2025

  • Ancient Lands
    Issue date: 14 January 2025

  • First Day of Use: 4 September 2025
    Post office: Huskisson NSW 2540
    Type: Permanent Pictorial
    Text: N/A
    Pictorial elements: Point Perpendicular Lighthouse and a whale
    Size: 38mm diameter

  • First Day of Use: 24 August 2025
    Post office: Brighton VIC 3186
    Type: Temporary Pictorial
    Text: BRIPEX 75th 1950 - 2025
    Pictorial elements: N/A
    Size:  32mm diameter

  • First Day of Use: 15 April 2025
    Post office: Normanville SA 5204
    Type: Permanent Pictorial
    Text: N/A
    Pictorial elements: Leafy sea dragon (sea horse)
    Size: 38mm diameter

  • First Day of Use: 1 March 2025
    Post office: Panania NSW 2213
    Type: Permanent
    Text: N/A
    Pictorial elements: N/A

  • First Day of Use: 24 February 2025
    Post office: Taree NSW 2430
    Type: Permanent pictorial
    Text: N/A
    Pictorial elements: Martin Bridge

  • First Day of Use: 13 January 2025
    Post office: CSU Bathurst NSW 2795
    Type: Permanent
    Text: N/A
    Pictorial elements: N/A
    Size: 38mm diameter

  • First Day of Use: 7 January 2025
    Post office: Cabramatta NSW 2166
    Type: Temporary 
    Text: CHINA TOWN Year of the Snake
    Pictorial elements: Snake festival head
    Size: 40mm diameter

  • First Day of Use: 7 January 2025
    Post office: Haymarket NSW 2000
    Type: Temporary
    Text: CHINA TOWN Year of the Snake
    Pictorial elements: Snake festival head
    Size: 40mm diameter

  • First Day of Use: 7 January 2025
    Post office: Bourke Street Melbourne VIC 3000
    Type: Temporary
    Text: CHINA TOWN Year of the Snake
    Pictorial elements: Snake festival head
    Size: 40mm diameter

  • First Day of Use: 7 January 2025
    Post office: Cabramatta NSW 2166
    Type: Temporary 
    Text: CHINA TOWN Year of the Snake
    Pictorial elements: Snake festival head
    Size: 40mm diameter

  • First Day of Use: 2 January 2025
    Post office: Nubeena TAS 7184
    Type: Permanent 
    Text: n/a
    Pictorial elements: Nubeena is the Palawa (Indigenous) word for Crayfish
    Size: 38mm diameter

  • Show: Brisbane Stamp & Coin Show
    Issue date: 9 November 2025
    Type: Stamp Show temporary postmark
    Postmark text: N/A

  • Show: Brisbane Stamp & Coin Show
    Issue date: 8 November 2025
    Type: Stamp Show temporary postmark
    Postmark text: N/A

  • Show: Sydney Stamp & Coin Show
    Issue date: 23 March 2025
    Type: Stamp Show temporary postmark
    Postmark text: Road Trip - NSW

  • Show: Sydney Stamp & Coin Show
    Issue date: 22 March 2025
    Type: Stamp Show temporary postmark
    Postmark text: Best Friend

  • Show: Sydney Stamp & Coin Show
    Issue date: 21 March 2025
    Type: Stamp Show temporary postmark
    Postmark text: Lunar Year of the Snake

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