A classic heart pendant with a braille letter "a". Available as "a" through "z" in different listings.
Uses English Braille. https://en.wikipedia.org/wiki/English_Braille
Not marked up by KSA Innovations.
The price is whatever Shapeways charges to print the item, so it might vary letter to letter.
5mm inner bail/eye diameter to fit most chains.
1mm depth heart.
Dots are 2.5mm apart center to center.
Dot hemispheres are 0.8mm high and 1.6mm wide (Half of a 0.8mm radius sphere).