I might be sleep-deprived right now but it appears that the mothership has the decanter set for just $1 more (cost including shipping) and the extra glasses for $1.37 less (or $6.37 less including shipping).
https://www.amazon.com/Fitz-Floyd-Fashioned-Drinkware-Cross-stitch/dp/B01LYOGPB6
https://www.amazon.com/Fitz-Floyd-Portland-Decanter-Fashioned/dp/B01LXPE1KO