I have no idea of Peruvian silver, so I have taken some photos and posting them to see if anyone here can help.
First Llama, marked 925, makers mark looks like MM possibly a K after
![Image](https://www.925-1000.com/pics/Ximg.jpg)
![Image](https://www.925-1000.com/pics/Ximg.jpg)
The second Llama is marked 925 makers mark looks like MFC then PERU
![Image](https://www.925-1000.com/pics/Ximg.jpg)
![Image](https://www.925-1000.com/pics/Ximg.jpg)
The pots, which fit in the second Llama's holders have the makers mark of, again, what looks like MFC then PERU 925
![Image](https://www.925-1000.com/pics/Ximg.jpg)
![Image](https://www.925-1000.com/pics/Ximg.jpg)
Any help would be gratefully appreciated and passed on to my friend, who has had these for a few years, but was told by someone back then, they were 'not right' but never got round to investigating if they were or not. Thank you.