Questions Rgd Purple Dial TT Sub (16613) & Nipple Dial TT GMT (16753)

[Lexushowroom]

Hi all experts,
I m a newbie hr, need your pro inputs.
Recently my mind being tickling & bugging by the Purple Dial TT Sub (16613) & Nipple Dial TT GMT (16753).
I only know both hv pin holes.

I some questions rdgs these two precious as follow need the gurus to fill me in pls.
1) What the last series for the Purple Sub & Nipple Dial ?
2) Does the Purple Sub has purple bezel insert as well ?
3) Nipple Dial has 2 versions with golden crown or imprinted crown on dial, which has collection value ?
4) What the current price in gray market for the Purple Sub & Nipple Dial ?
5) Which one is more value for collection?

Pls kindly correct me if my info above is wrong. I m greatly appreciated for all your promptly advises & inputs.
Hope this thread can help those who r keen in the above mentioning precious.

Thks & Rdgs