Bullets from Boer wars era.

Hi,
I'm not experienced in militaria. I do metal detecting in nation's capital region. Found some bullets in one of city's park where was a range in early days.
There are two main types of bullets found (please take a look at attached picture).
Can you please help in identification. Need this info before I will be offering to sell them to collectors.
Found some casings for these bullets as well. Unfortunately they are not in such good condition as the bullets.

I'm not experienced in metal detecting. You found them for free, why not offer them for free?

I'm going to aquire a new metal detector which costs more than $1000 and is not offering for free.
Thanks.

Perhaps if you can afford to spend 1K on a metal detector, then you can afford to spend some money on a few reference books. Or at least learn how to use a computer search function.