I moved all the other posts to the first thread re these 1928 Pennies, just keeping it all together.
http://www.australian-coins.net/showthread.php?tid=1103&highlight=1928+penny
Some of those 1928 Pennies can have quite a lot of 'bits' of the letters or numbers missing.
I think I remember the most 'missing bits' from one coin was 9, that was on the old ACBO forum and I think the poster was QldSandy.