You might grow it out and compare it side-by-side with
Guido, too:
http://tatianastomatobase.com/wiki/Guido
(Grunt probably has seeds for Guido still:
http://tatianastomatobase.com/wiki/B.C_MC_D
It would be funny if Mr. Pietroboni turned out to
be the original source of Guido, which Dan got
seeds of from Europe.)