Information
1962 Mini Ruthless Xtra Strong standard shape red flight.
1963 Mini Ruthless Xtra Strong standard shape blue flight.
1965 Mini Ruthless Xtra Strong standard shape yellow flight.
4380 Mini Ruthless Xtra Strong embossed standard shape black flight.
4381 Mini Ruthless Xtra Strong embossed standard shape red flight.
1960 Mini Ruthless Xtra Strong standard shape black flight.
1961 Mini Ruthless Xtra Strong standard shape white flight.
1964 Mini Ruthless Xtra Strong standard shape clear flight.