In such cases, why not grow your own if being such a connoisseur?!

https://www.gardeningknowhow.com/edible/herbs/saffron/growing-saffron-indoors.htm#:~:text=Space%20the%20bulbs%202%20to,die%20back%2C%20usually%20around%20April.

Then again, a good excuse to visit the old country, have fun. Also, you must be very good at cooking to have such good understanding about the saffron quality, and how the packaging is telling of the taste.

Good on you.