You are looking at a vintage NEW and still factory sealed 

WHITMAN 1000 piece fully interlocking Jigsaw Puzzle

of the 

ST. ANGELO BRIDGE, ROME

in Italy, stock number 4777.  This has a finished measurement of 21 1/2" x 27 1/2", and features a wide view of this ancient stone bridge in Rome.  Printed in USA by Western Publishing Company.