2026-09-27T19:47:31+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object113110167995354LETTER WEIGHTYA weight used with letter scales for weighing letters or parcels and establishing the required postal rate.128P