| PLUMPURPLE | The official colour of UK first class stamps (4,6) |
| HOLLYGREEN | The official colour of UK second class stamps (5,5) |
| GATESHEAD | Town on the Tyne, site of a tilt bridge depicted on first-class stamps in 2000 and British one pound |
| AFRICANVIOLET | The official colour of Loughborough University, worn by its athletes; a popular house plant |
| RED | Traditional colour of UK pillar and telephone boxes, London buses and tunics worn by the Queen's Foot Guards (3) |
| SEVENTYTHREE | The U.S. Postal Service last week proposed a first-class stamp price increase from 68 cents to this many, starting in July; it would be the second price increase this year |
| ONECENT | First-class stamp cost, in 1924 |
| IMPRINT | Island priest invested in first-class stamp (7) |
| PRINCETON | Ivy League university with the official colours orange and black (9) |
| OXFORDBLUE | Official colour of the university where 27 British prime ministers have been educated (6,4) |
| STRATHCLYDERED | Official colour of the orange buses of 1980s Glasgow (11,3) |
| BURNTORANGE | An official color of the University of Texas |
| AQUA | An official color of the Miami Dolphins |
| HONOLULUBLUE | Official color of the Detroit Lions |
| RYDERCUP | Biennial men's golf tournament for teams from the US and Europe (originally Great Britain) first held in 1927 (5,3) |
| RPI | Measure of inflation in the UK, first calculated in 1947 |
| IMPEACHMENT | Procedure against a government official in the UK first recorded in 1376 that last occurred in 1806 |
| RAAB | Dominic -, UK First Secretary of State from July 2019 (4) |
| BLAST | Literary magazine of the Vorticist art movement in Britain first published in 1914 |
| BLUE | Sole official colour option on the Clio Williams (4) |
