Or should I go lower?

icon: $5

digital sketch: $6
(+ $5 for each additional character)

digital bust: $8
(+ $6 for each additional character)

traditional bust: $15
(+ $10 for each additional character)
(+ $3 simple background)

traditional full body: $25
(+ $20 for each additional character)
(+ $5 simple background)

Badges: $15
(laminated)

shipping cost $3.25