Y = Yellow

In the early 1980s, when Sunday collections from certain letter boxes was reintroduced the colour yellow was used to mark out Sunday-collection boxes. Sheffield’s boxes had two yellow hoops painted onto the body, Liverpool painted the lids of boxes yellow—but there was no national consistency until circa1998 when newly introduced collection times plates had large yellow squares on those boxes that enjoyed a Sunday clearance.
The Letter Box Study Group
2016-02-10T16:22:57+00:00
In the early 1980s, when Sunday collections from certain letter boxes was reintroduced the colour yellow was used to mark out Sunday-collection boxes. Sheffield’s boxes had two yellow hoops painted onto the body, Liverpool painted the lids of boxes yellow—but there was no national consistency until circa1998 when newly introduced collection times plates had large yellow squares on those boxes that enjoyed a Sunday clearance.