On 15 September somewhere bordered by 31 and 5, and whose capital is 40/10 (ignore an accent), celebrates its 43 from 35. Its main exports are 36 and 19D and, unusually, it has no 1 (two words). Its IVR (2) appears downwards in the completed grid and must be shaded. Elsewhere, ignore one accent.
 

Across

12    Dippy Irish auntie’ll like Bond’s boss’s name (10)
14    Plump and very well indeed (3)
15    Turning eighteen, Romeo is too theatrical (8)
17    Some unwill the sorry state of Ruskin (5)
18    Upper second from Leeds? (7)
19    Sing like Bing about Earl Jonathan’s hamper (6)
22    Fluttering organ-bird bypasses big old county (6)
24    Tom wears a new dickey (5)
26    Goblin rupturing in motion that’s painful (9)
27    Big beasts or game tamed by amateur in amusing afternoon (9)
29    What did ’ungry ’orseman do? Eat away (5)
34    No longer sanction parties being outside (6)
38    Leaf from tree I uprooted close to Germany (5)
39    Clumsy pacy horse overturned mega-rodent (8)
41    Decay in great oil Sisley painted, the French purged (10)
42    Heartless giant makes light gratin (4)
 

Down

2    Morose talk sickening craftsmen (10)
3    Remote spot goose put off visiting (7)
4    Vacuous opera about retiring rector (5)
6    Amenity in show study? (6)
7    Sad old master starts to take opium (5)
8    Prince catches unknown fish (4)
9    Gambling priest first combs devil’s books (12, two words)
11    Outside smelling cereal food plant (8)
13    Glaswegian forgets about fellow lass hugs (12)
16    Bag from Versace (3)
20    Snakes king caged with South African rhino (6)
21    Obsessive Asian caught carting Arab about (10)
23    Take path leading to large hall (9)
25    Capital girl making pasta (8)
28    Monarch leaving knight to scold Goneril (or Regan)? (7)
30    Weak girl almost collapsed (6)
32    Old lady hoards money from Bhutan or ditto from Greece (3)
33    Terriers on pitch scoring easy goal (5, hyphened)
37    Fruit from Maracaibo (4)
 
A first prize of £30 for the first correct solution opened on 1 October. There are two runners-up prizes of £20. (UK solvers can choose to receive the latest edition of the Chambers dictionary instead of cash — ring the word ‘dictionary’.) Entries to: Crossword 2376, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.