d) Penalty.--Any person violating subsection (a) is guilty
of a summary offense and shall, upon conviction, be sentenced to
pay a fine of $200, except that, if the person charged furnishes
satisfactory proof of having held a driver's license valid on
the last day of the preceding driver's license period and no
more than one year has elapsed from the last date for renewal,
the fine shall be $25. No person charged with violating
subsection (a) or (b) shall be convicted if the person produces
at the office of the issuing authority within 15 days of the
violation:
(1) a driver's license valid in this Commonwealth at the
time of the violation; or
(2) if the driver's license is lost, stolen, destroyed
or illegible, evidence that the driver was licensed at the
time of the violation.