Another shed job !
http://www.ebay.com.au/itm/COIN-15-CENT-COIN-AUSTRALIAN-ERROR-COIN-/251266889612?pt=AU_Coins2&hash=item3a80ac778c&_uhb=1#ht_500wt_1288
& here's another one,attempt to make them look like a cap ?
http://www.ebay.com.au/itm/AUSTRALIAN-TWO-CENT-PIECE-1966-ERROR-COIN-SD-MISSING-/261206349836?pt=AU_Coins2&hash=item3cd11c980c&_uhb=1#ht_500wt_1288
Must've been struck with those new curved dies eh? Clever Mint boffins... flat dies are SO last millennium. ;)