I'd appreciate a hand sorting out the White Dwarf mono-cover printings please

# 1, first printing, June/July 1977 50p
# 1, first reprint, November 1978, 50p
# 1, second reprint ?

#2, first print, August/Sept 1977, ?
#2, first reprint ?
#2, second reprint, August 1979, 60p

#3, first print, October/November 1977, ?
#3, first reprint, November 1978, 50p
#3, second reprint ?

#4, first print, Dec/Jan. 1977/78, 50p
#4, first reprint ?
#4, second reprint ?

#5, first (only?) print, February/March 1978, 50p

#6, first (only) print, April/May 1978, 50p

Thanks in advance!

Many thanks!