Some answers for the following, please ! Thanks in advance!
ACROSS:
15 Officials born between 21st April and 20th March? (8)
O????IE?
20 Tree stump’s origin is so old (6)
??SE??
25 Three kings admitted by mother are supplying old currency (6)
??R???
26 Be inclined to imbibe fashionable discounted wine (6, hyphened)
??NA??
33 Fitness system, turning club over (5, hyphened)
??E??
DOWN:
24 Fanatic endlessly supporting right politician (5)
R?AL?
25 One acting wrongfully ruined some fairs (9
40 Extraordinary US artiste showing ordinary range (9)
?E???A?
43 Identifying tone from phone number they used regularly (8, hyphened)
??L?????
49 Tangle to bloom in bank of gravel (7)
???T???
51 Witch absent in private book (6)
??N???
62 Live bullets’ material (4)
E???
Thanks, Klazomaniac. It was a giant/jumbo crossword which I did the other day, I misremembered that answer. (And I hadn't read the long list of clues in the OP, I just noticed the 'Call Sign' answer')