1950's era Lee Union Made Engineer & Workman's Cap Made in U.S.A.

Vintage deadstock Lee Union Made Sanforized Fade Proof Grey Cotton Twill Engineers & Workman's Cap, Made in U.S.A. Part of The San Fernando Valley Mercantile Co. collection and archive.

1950's era Lee UNION MADE Engineer & Workman's Cap. Details include machine loomed label and side ventilation holes with metal grommets 

 UNION MADE SANFORIZED FADE PROOF MADE IN U.S.A. label with ® no MR 

United Hatters Cap & Millinery Workers Union UNION MADE label. 
Seen on the right side is the Allied Printing Trades Council Union logo

Genuine Lee Washable Cap Non-Shrinking Visor size label.
Special thanks to RL for this contribution to the archive