Black Sheep and Children M Minneapolis Knitting Works Advertising Postcard

Front:
771 MINNEAPOLIS SHIRT Ba! Ba! Black Sheep, have you any wool? "Yes, Kind Mistress, many bags full: Shear all the wooly flock, for shear- ing never hurts, And save the finest of the wool to make "M" Shirts."

Back:
MINNEAPOLIS KNITTING WORKS To 4 20