Felix Brand via Amazon offers Prime members the Felix FlipStand Case for iPad mini in Black/Red, model no. 27302BB, for $19.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it costs $8.28.) That's the lowest total price we could find by $4, although other merchants charge at least $46. It's compatible with all generations.

Also available for Prime members is the Felix FlipStand Case for iPad in Tan/White, model no. 27301TW, for $19.99 with free shipping. (As above, non-members can spend $35 or more to dodge the $8.54 shipping charge.) That's the lowest total price we could find by $4, although other merchants charge at least $34. It works with all iPad models through 4th generation.