Your hair looks just like mine. I would also say 3a. Product combos and techniques can have a huge impact on how wavy or curly my hair looks from day to day (according to Andre Walker's book it's very easy to make 3a hair look like 2c hair, but not the other way around). As I've been narrowing down the right products, I've been able to get more consistency from day to day.

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3a/f/iii
Modified CG since 11/5/11
CLEANSE: VO5 Vanilla Mint Tea Clarifying, DevaCare No-Poo, CHS Treatment Shampoo
RO: DevaCare One Condition, SS Caitlin's Conditioner, Mop Top Daily Conditioner
LI: SS Repairing Protein Treatment, CHS Silk Leave-In
STYLE: Re:Coil, Curl Keeper, Deva Ultra Defining Gel, Curls Rock Amplifier and Strong Hold Mousse, Sweet Curls Elixirs Okra Gel and Hard Hold Gel, SS Curl Enhancing Jelly and Firm Hold Gel