New RIG, maybe not all items have been found, but there are these:
Kaleidoscope Vision (all) both sides on everyone except behind only on Emgnol/Wisp
Line-A-Design (Background) As above, but the red outline is missing in front except on Dander/Coffin/Jack
Loveliest Petshop (Perching Parrot) behind only; not at all on HSP
Model Locomotive (Train) HSP only; front only on Dander/Coffin/Jack
Mystix Dance (Dancing Sticks) Front only Dander/Coffin/Jack only
Winter Memories (the bonus item in the new cash shop update) has some interesting stuff:
Title pose shows from both sides on everything, just frame only from the front on Grunny types
(warm cabin) both sides on everything except behind only on Emgnol and Wisp
(snowman!) behind only except not at all on Emgnol or Hard Shell Pack but both sides on Wisp and Dander/Coffin/Jack
(hanging ornaments) both sides on everyone except behind only on Emgnol and Wisp.
The Heaven's Gift (Star Crested Axe) white ghost of the axehead behind only; both sides on HSP and Dander/Coffin/Jack (Cloud and Star Tree) only the stars show from the front, complete behind on everybody.
Corral de la moreria (veil) white ghost behind only; complete front Hard Shell Pack and Dander/Coffin/Jack
Edo Ukiyoe and (Pattern, Golden Flowers) behind only; both sides on HSP and D/C/J
Enchanting Orchestra white ghost behind [full front on Wisp and D/C/J] white ghost both sides on HSP; (Golden Score) behind only on all
Fiametta the Phoenix (Glowing) white ghost behind, both sides HSP, complete behind on D/C/J; (ashes to phoenix) front only HSP & D/C/J; (Elegance) behind only HSP; (Glowing Anklets) white ghost behind only; both sides on HSP & D/C/J Also, both I Am poses act like Grunnies.
Hellenistic Imperialism (Byzantine Painting) white ghost from behind; both sides on HSP and D/C/J
Magical Invitation (A Letter To and You Are Invited) partial white ghost from behind only; both sides on HSP and D/C/J
Savvy Sixties white ghost from behind; both sides HSP and D/C/J
Time Lapse Gala all 3 poses behind only on Emgnol/Wisp otherwise both sides.
Dark Omen and (Jeweled Veil) partial white ghost from behind; both sides on Hard Shell Pack and Dander/Coffin/Jack. Also (Lis Nouvelles) just the frame from the front, otherwise complete; both sides complete on HSP and D/C/J