National School of Bridges and Roads

Printed in sheets of 50 stamps.
Exists imperforate.
Exists in gummed and imperforate mini sheet

Country:	France
Type:	Postage stamps
Nominal:	3 ₣
Year:	1997
Material:	without phosphor strip
Size:	41 x 26 mm
Perforation:	comb 12¼ x 13
Mintage:	8,262,928