GTF is now offering all Secca weights with its italic counterparts. The free Secca Std Demo package is updated too. Now offering Regular, Italic, Bold and Bold Italic.

Secca (std) demo package:
http://new.myfonts.com/fonts/astype/secca-std/
http://www.germantype.com/seccademo.htm

Secca (pro)
http://www.germantype.com/secca

Secca PDF specimen
http://www.germantype.com/cms/pdf_secca.htm