The front of this medal is embossed with the prayer "O Mary, conceived without sin, pray for us who have recourse to thee." and the back of this medal is embossed with letter M, a cross and and 14 stars.

Necklace/Pendant Measurements:

Chain size 0.5 mm

Pendant Height with Bail: 1.16" (29.46 mm)
Pendant Height without Bail: 0.95" (24.13 mm)
Pendant Width (Widest Point): Approx. 0.88" (22.35 mm)
Pendant Depth: Approx. 0.06" (1.54 mm)

Bail Fits up to a 3.5 mm chain