Both Tags look Vintage but don't know age for sure.
Neck Tag reads Special Duty by Elbeco, 65% Dacron Polyester & 35% Avril Rayon, Permanent Press, Made in USA
Original price $43.95 on Uniform Shop tag.
Fabric is 65% Dacron Polyester & 35% Avril Rayon - searched online and found references to this fabric being used for police uniform shirts -
"Popular by agencies who demand the durability of Polyester yet appreciate the natural ... 65% Dacron Polyester/35% Avril Rayon, Tropical;"
Don't know that this shirt was for Police or Security - but is of the right construction & material.
Scalloped chest pockets with hidden velcro closures. 2 buttonholes above left pocket & badge sling underneath to stabilize the badge. Shirt straps.
Tagged size 18.5. Measures 29" across underarms laid flat & 34" nape of neck to front center bottom hem.
No issues - New Condition