early 1950's ZIP-A-Flint  by  ZIPPO
1954 - 1964 ZIP-A-Flint  by  ZIPPO
COMPLIMENTS  OF  YOUR  ZIPPO  MAN
1963 - 1978 Pat. No. 2.878.964 custom imprinted
see  David  Poore's  book  on  page  142  ( #174 H2 )
Your Zippo Man - Harold "Red" Speer - Council Bluffs, Iowa
1963 - 1978 Pat. No. 2.878.964 custom imprinted
1963 - 1978 Pat. No. 2.878.964 containing  12  flints
60's - 70's Zippo service flints
late 70's Pat. No. 2.878.964 blister pack
1978 - 1983 ZIPPO  FLINTS
1978 - 1983 ZIPPO  FLINTS containing  12  flints
80's - 90's Zippo service flints
1980's  ZIP - A- FLINT containing  12  flints
1980's  2412C  flint card
1980's  2406C  flint card
since 1983 BRADFORD  PA  USA
1990's  2406C  flint card
1996 - 2002 blister pack
since 2002 blister pack
since 2002  2406C  flint card
since 2002 blister pack display