Advertising Letter Booklet, Rockefeller Center, 1947

Hello Everyone.
Good Evening from Ontario.2018-04-28
I have this post card for as much as 25 to 30 years, this post card was give to me by my father, at the time I was an addicted stamp collector, not anymore, but i always keep this one, the other reason also, they bring back this card from a trip in New-York City in the 50s, I was even not born at that time(59)
This booklet by the photo content and narration told all you need to know from the Rockefeller tower in New-York City, from Boutique, roof garden, roof observatory and there guide, nice piece, never use, in mint condition, the writing you see inside are being achieve at the print making of this booklet.

This Letter Post card is 5.50 inches by 4 inches.

Many thanks for looking