There's a confusion of titles on the UK release - Live Seventy Nine, Live '79 & Live 1979 - but New Zealand went one better and got rid of the year altogether. The Japanese version came with an insert featuring some more interesting translations of the lyrics.
New Zealand version cover (1980)
New Zealand version label
Japanese insert 1
Japanese insert 2
Just the one design, but they still can't decide on the title...
UK cassette version (1980)