There are few upper case letters in your sample. If you have an M, G and R, the Sans Serif Font ID Guide might help, or Identifont could be worth a try. It is at its best for text faces like this.

- Mike Yanega

Thank you so much Mike. But I didn’t get result from that.

On the Hoeffler & Frere-Jones' website it lists Martha Stewart Weddings as a client they've worked with to develop custom typography.

Thanks much Minimalista. I emailed them [both] but didn’t get the result. If I am not mistaken, that’s custom-made fonts and not release to public yet.

Even Martha Stewart acquires regular, publicly available fonts every once in a while, just like everybody else. The font in the sample is Mundo Sans Extra Light.

Thank you so much Danpetter! Much appreciated. That’s it! Your suggestion help immensely.