The pictures below show larger front and back views of this Old Hansen Engineering & Machinery Company Advertising Premium Paper Clip. The clip is not dated but it is old. This is a heavy duty clip to hold paper. It is imprinted in black on a white background. The back half of the metal clip is red and it has a hole to hang it on a hook or nail. There is a strong spring inside the two halves. It is marked as follows:
HANSEN ENGINEERING & MACHINERY CO. DESIGNERS MANUFACTURERS SPECIAL EQUIPMENT TEL. LYnn 8-5810 202-210 BROAD ST. - LYNN, MASS.
The metal clip measures 2-1/4'' x 2-5/8'' x 1''. It appears to be in excellent condition as pictured.