Australia 1921 Kookaburra Pattern Square Penny Trial UNC

Australia 1921 Kookaburra Pattern Square Penny Trial UNC

Regular Price $16,556.93

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With only a few hundred struck possibly as few as 100-200 pieces the Kookaburra Pattern series forms one of Australia's great numismatic rarities.

The square trials resulted from an initiative to find a lighter and more durable alternative to the bulky copper circulation pennies and halfpennies. Thirteen different copper-nickel types dated 1919-1921 were struck and distributed to government officials VIP's and dignitaries for assessment.

While the distinctive square coins met with some approval opposition from vending machine operators the high cost of importing nickel difficulties striking and the resignation of treasurer William Watt saw the project shelved.

Struck by the Melbourne Mint this Renniks type 12 Kookaburra Penny is much rarer than 1930 pennies 1852 Adelaide Pounds and even the most sought after 1813 Holey Dollars and Dumps.

Spotting on edge, Uncirculated

Refund policy


We will endeavour to dispatch orders as soon as possible, please allow 2-3 weeks for delivery within Australia and 4-6 weeks overseas.

We requires full payment with order, plus all shipping/postage charges before we dispatch any goods.

All shipping/postage (including insurance) costs are subject to change without notice.

*Shipping charges for Australia is a flat fee of $9.95, except EQL launches, heavy items such as coin rolls, books, accessories and large quantities of coins and banknotes which will be charged at current Australia Post charges. We will advise you of these costs before shipping.

EQL Launches/New Releases. The regular Flat fee ($9.95) does not apply to EQL Launches. Shipping charges for EQL new releases will differ and this rate will be advised at the time of entry.

Free Shipping: On orders $350.00 and over made in one transaction for delivery within Australia only.

Free Express Upgrade: Domestic Australian orders over the value of $1000 will automatically upgrade to Express Post at no additional expense.

Overseas shipping charges as follows; orders up to 1kg;

  • New Zealand - $25.00
  • South Pacific - $30.00
  • Asia - $35.00
  • North & South America - $40.00
  • Europe - $45.00

International orders over 1 kilogram, please contact us for shipping and insurance charges.


Wynyard Coin Centre will attempt to exchange (if available) or provide a refund for any items delivered damaged or unsatisfactory when returned in original, undamaged condition with all product components as supplied within 14 days of receipt.

Cancelled items/orders for customer change of mind or return without major problem (in original condition) will be refunded less postage charges and any merchant fees (PayPal 2.6%, VISA/Mastercard, Shop Pay, Apple Pay & Google Pay 1.6% + $0.30) associated with accepting the original payment within 28 days of purchase. 

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