This question is unclear. Please rephrase it and then submit a new question giving more information concerning your coin.
1¢. The extra letters were added privately, after the coin was minted, and that means it's considered to be an altered or damaged coin.
It's the date that it became legal to own gold again after 40 some years. It was a publicity thing from the government to commemorate the legal right to own gold. See this YouTube video: http://www.youtube.com/watch?v=QssI_rTmQLs
I'm not sure what you mean by penny rim. If you mean it is smooth and has no reeding, that's 99.999% certain to be due to wear on a 32-year-old coin, or from someone filing off the reeds. If you mean that it is copper color, did you ever look at any other dimes in your pocket? ALL dimes, quarters, and halves are struck on "sandwich" blanks that have a copper core. Either way, you have an ordinary coin worth face value only.
1975 - 320 = 1655
May 1975 would be May MCMLXXV
The last Australian Penny was minted in 1964. There was never a 1975 Australian Penny.
Laura Penny was born in 1975.
In For a Penny was created on 1975-11-14.
Unsere Penny - 1975 is rated/received certificates of: West Germany:o.Al.
Phil Stamp was born on 1975-12-12.
The coin is still in circulation today and is only face value
Penny Phang was born in 1975, in Kuala Lumpur, Malaysia.
It is 10 cents.
It's worth about 2 cents for the copper.
Take it to a collector
Baretta - 1975 Double Image - 2.6 was released on: USA: 15 October 1975
The US did not have a non-denominated stamp in 1973. The first one was issued in 1975 for Christmas.