Question: You can be fairly sure any ancient coins or artifacts are fakes.
Almost all ancient coins or artifacts are fakes.

Answer: yes

Question: that uh was a real good one to do it was it was tough but uh yeah do you have any others or is it just mainly cross-stitch
That was a really bad one for it, it was too easy and it just was not good at all.

Answer: no

Question: Psyching myself up, getting fully into character.
The character was a blue alien named "Flarv"

Answer:
it is not possible to tell