Taken from An Original Letter from the Prince of Wales Laundress and used in many advertisement if the time!

I have been laundress to the Prince of Wales for several years, and I consider Reckitt's Paris blue is the best I ever used, and is undoubtedly greatly superior to the old-fashioned thumb or dark blue.
Eliza Elder, April 12th, 1873
Long before the age of modern washing machines and powerful laundry detergents there was Reckitt's Blue considered to be one of the first laundry whiteners; it was produced by Reckitt & Sons (also known as Reckitt & Coleman) a company founded by Isaac Reckitt a Quaker of Hull in 1840. Reckitt's Blue was used in the final rinse when washing with dolly tubs otherwise the soap turned the white linens/cottons yellow, it had various names over the years including Reckitt's Blue, Bag Blue, Paris Blue, Crown Blue, Laundry Blue or Dolly Bags and was either sold in 1oz Paper Wrapped Cubes or wrapped in flannel; as is the case with this type. The main ingredients of Reckitt's Blue are ultramarine and baking soda and was used in wash houses through out the world including Royal Laundries. Reckitt's Blue can also be used in the treatment of stings and spiritual ceremonies!
Item Description
Item - One Genuine Vintage Reckitt's Trade Box complete with 3 unused Dolly Blue Bags, Circa 1950s.
Maker - Reckitt & Coleman of Hull, England
Marks - Card Box printed with details - Bags complete with Paper Packaging Printed with all details (please see photos)
Circa - 1950s
Country of Origin - England
Box Dimensions - 7.5" by 4.125" (2.625" in height)
Bag Dimensions - 1.25" in diameter (1.125" in height)
Weight - 134 gram
Condition - The Box is in Excellent Used Condition with all flaps present, though there is a few marks (please see all pics). The bags are in Excellent Unused Condition - though very light marks from storage and age (please see all photos)
Other Interesting Points -
(Please see all Photos).
POSTAGE & PACKAGING
There is a charge of £3.00 for Postage and Packaging to all U.K. Residents (Standard UK Delivery), we will also ship Worldwide but please check table below for delivery costs.
| Next Day UK Delivery | £9.00 |
| Signed For UK Delivery | £4.00 |
| Standard UK Delivery | £3.00 |
| Air Mail Europe | £8.00 |
| Air Mail Outside Europe | £16.00 |

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