tulip chairs  

because Mark has left
this forum must I suppose no one will reply to my answer or what? I happen to have la lot of humour too but puttng this aside, I would really like someone to answer my question about these Tulip chairs. I am sure there is someone on this forum with enough knowledge and gentleness for this.
thanks you lovely design-addicts!

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I kinda want to make a sarcastic comment about your question being a bit off topic for the forum, but in the interest of "gentleness", here's a DA link with clear pics, this question seems to come up pretty often.
'CAUSE I'M GENTLE AS ALL GODDAMN HELL!!!!!
http://www.designaddict.com/design_addict/forums/index.cfm/fuseaction/th...

I Believe
the 151 denotes the armchair (150 the armless version)