The Leonardt 70 Ornamental Pen Nib, available in 7 nib sizes, is a Right Oblique Calligraphy bronze nib with a top loading TAPE reservoir and some flexibility that is good for beginning calligraphers.
Brause Oblique Holder - Sitaram Stationers
Flourish - Oblique Calligraphy Pen – Tom's Studio
Flourish - Oblique Calligraphy Pen – Tom's Studio
DIY: Make a Calligraphy Oblique Holder!
Fountain pen blog Pens, inks, notebooks and other accessories
Wood Oblique Pen Holder, Nib Holder, Calligraphy Pen Set
Beginner's Guide to Nibs and Nib Holders
Calligraphy Pens - Tom's Studio
Nibs
Speedball Hunt Artists' Pen Nibs, Extra Fine No. 22-B - 2 pack