DMC was a French supplier of high-grade yarn.  This cone comes from their heyday in the industrial trade, from the latter half of the 20th century. DMC is still in business, but no longer operates in that market.

This yarn is their Article No. 5207, made from 100% long-staple Egyptian cotton, put up on No. 5 cones. This is a soft but sturdy 2-ply yarn with considerable sheen. The listed weight is 500 grams. This particular cone weighs 364 grams, suggesting it is partly used. It should hold about 1,300 yards.

Type: Article 5207 Cotton Perle
Colorway: 907 
Approximate Yardage: 1300 yards, 1190 meters
Weight: 13 ounces, 364 grams