If he likes coffee from Africa with strong floral notes then I suggest Agro's single origin lineup. Great price and pretty consistent quality.
It seems like he's pretty serious about his coffee routine. What kind of coffee grinder is he currently using? A good quality grinder will ensure less margin for flavour deviation. If he doesn't mind manual labour, I suggest:
https://cafune.ca/products/comandant...YaAkfzEALw_wcB
or
https://cafune.ca/collections/grinde...nu-m47-phoenix