De or het teerpenning?

The correct Dutch article is:

de teerpenning

Rule Words ending in -ing: almost always de. See the rule

How to use teerpenning

the teerpenningde teerpenning
this teerpenningdeze teerpenning
that teerpenningdie teerpenning
our teerpenningonze teerpenning
your teerpenningjouw teerpenning
every teerpenningelke teerpenning
which teerpenning?welke teerpenning?
a big teerpenning / the big teerpenningeen grote teerpenning, de grote teerpenning