  We report on the first spectrum up to 10 keV of the bright narrow-line
Seyfert 1 galaxy Ton S 180, obtained with the imaging instruments onboard
BeppoSAX. This is the first observed source in a sample of a dozen narrow-line
Seyfert 1 galaxies in the BeppoSAX Core Program. We also present and discuss a
high quality optical spectrum taken at the 1.5 m telescope at La Silla two
months before the BeppoSAX observation. The X-ray spectrum shows a clear
hardening above about 2 keV, where a power law with Gamma = 2.3 plus an iron
line provide a good description of the data. This slope is significantly
steeper than the typical one for classical Seyfert 1's and quasars. The best
fit line energy is suggestive of highly ionized iron, which would support the
idea that the high accretion rate is (one of) the fundamental parameter(s)
characterizing the Narrow Line Seyfert 1 phenomenon.
