Ace Auto scrapyard in Springs, South Africa, a T3 Microbus/Caravelle
specialist (but wrecks other makes as well),  responded to my e-mail for
prices. What's more, as their website says, "A staff complement of 45
people, include (sic) qualified motor mechanics, administration staff, well
informed sales staff and strippers on hand to assist you at all times".
Oooh yeah!

Prices:
upper grill R420 - new R436
lower full-width grill R420 -new R459
big grill emblem R90 - new R
ventilated discs/spindles complete: getting price

For those who want to make their own inquiries:

www.aceauto.co.za
aceauto@icon.co.za