| On
April 17, 1960 the rule, #6160, was introduced |
| to the
Zippo product line as an advertising specialty item. |
|
| The
1960's cardboard boxes were colored
gold and black |
| but
the disign changed in the 1970's and once again in the |
| 1980's
when Zippo Mfg. replaced the cardboard boxes with |
| the
new the black plastic boxes. |