Here are just a few quick easy-to-remember tips. These facts don't necessarily place a garment in a year, but they will help narrow it down.

LEGAL EAGLE

The NRA (National Recovery Act) Blue Eagle label was used in the USA only from 1933-35. This label, noting compliance with the Manufacturing Codes, was used inside garments and dates them specifically to those years.The NRA was delcared unconstitutional in 1935.

The US National Labor Relations Act was passed in 1935. So these labels will be seen after that date.

The ILGWU (International Ladies’ Garment Workers’ Union) was formed in 1900. It joined the CIO (Congress of Industrial Organizations) in briefly in 1937. Rejoined the AFL ( American Federation of Labor) in 1940. AFL-CIO merged in 1955. In 1995 ILGWU reformed as UNITE. Union labels will reflect these name and date changes.