Really Cool Dining Chairs 2: Electric Boogaloo  

Are the brown bits wood? If so, I'd recommend painting them different (on each chair) primary colors.  They're sending conflicting signals as they are.

My compliments on your exquisite taste and good fortune.

Yes, they are wood.  You wouldn't go full Memphis, like these?   

Ooh! Casters (castors) would add a certain je ne sais quoi, but I'd still prefer primary hues for these.

What do you think? 

Mix n' match backs and seats. Ditch the green. Add casters!

Like this?

Now you're talkin'!

I suggest emu skin seats dyed red yellow and blue with long dyed  sheep fur on the the backrests with the rear side done in a contrasting color of emu leather.  I am not sure casters are the right call. I think maybe emu leather wrapped sabots in the same color as the rear panel of the backrest with is more period appropriate. And minimal padding to keep the seat svelte, just leather laminated right on. 

Ha! Yes, emu leather and sheep's fur would be a major upgrade.  There's an unadorned set on 1stDibs right now for $2900.  With those improvements, gotta be worth at least $9K.

I came across an old thread asking if these chairs (and matching table) were by De Lucchi .  The response, by someone ironically called niceguy, was that they were "poorly executed" and obviously not associated with Memphis.  The only thing I see that was poorly executed was your response, "niceguy".      

http://old.designaddict.com/forum/Identification/Need-help-identifying-designer-Memphis-Style-Postmodern-dining-set

Point of order: Sheep don't grow fur.

Depends: if you're making sweaters, it's wool, but if you are upholstering furniture (or making Uggs) and the skin's still attached, it is technically fur.  That's my understanding anyway.  

If the skin is still attached and you're upholstering furniture with it, it's what you get for conjuring niceguy.

Or, maybe, social isolation has got the best of me ...and, maybe, that was niceguy's problem. Aaaargh!

The emu hide, however...

The triangle chair, the first time I saw it