Carton of Cigarettes
2 zeni

Swimming suit
From 1 Bu onward, for really nice one - a fashionable Phoenix or Crane swimwear - a koku.

Wetsuit
1 koku

Earphones
1-3 bu

Sunglasses
1 bu - 1 koku depending on the brand

Shrooms
Yes, that kind of shrooms.
Lore: Underworld at TN 15 to find them and 1 bu.

Tea
Asako Yellow Label - 2 zeni per 100 grams
Asako Asameshi - 5 zeni per 100 grams
Golden Needle tea - 1 bu per 100 grams (available at e.g. business lounges in Phoenix space)
Black Earth Tea - 1 bu bu per 100 grams (medical Crab tea)
Spring's Smile tea - 3 bu bu per 100 grams (high quality Phoenix tea, often served to high ranking diplomats)

Alcohol
Watsu Light Beer - Poor quality light beer, 2 zeni a can
Tsugu Grape-Flavoured Chuhai - Popular brand of Chuhai from the Crab Clan, 5 zeni a can
Hida Blue Sash - an average beer, 4-6 zeni a can, depending the location.