The nibs are not the final products.
They have not been on sale now.
The White Dot also appeared on Hero's FP......
WingSung 626 彩蛋Easter egg(It is the informal name, or a code name.) White Cellulose Acetate,
which is the same material as Penbbs 323 冥府之花ghost plant
White 626 and Yellow 601
601, the section was removed.
At least, there will be M and F width nibs.
Another Two Colours may be on sale after the basic 4 colours or never.
Golden Star's 18K #28 nib(32mm) is compatible
Golden Star's 18K #28 nib(32mm, the upper) is compatible, while the Guiguan 88(The Pen for The Chairman of the Standing Committee of the National People's Congress in 1997) not. Guiguan 88's nib seems to be 40mm, which may be the largest CFP nib.
Edited by Tefolium, 19 March 2018 - 09:40.