Is there a minimum order for photo cards?

Minimum photo card orders are as follows:

A7 Folded: 1 card

A7 Flat: 4 Cards

A2 Folded: 4 Cards

Ultrathick holiday cards: 4 cards

Ultrathick wedding invitations: 4 cards

A2 Flat: 8 Cards

Accordion cards: 2 cards

Square Cards: 6 cards

Calling Cards: 24 cards