Cryptic Clues

[PenWise]

From a quiz some cryptic questions or should i say answers required if possible please

1 Characteristic, no doubt, of Champagne Charlie (10) ???????N?E

2. It's on the cards, coloured or not. (8) ?W??????

3. Ah! Twice a gentleman, maybe. (5) S?H??

4. By deduction one of the Arcadians (10) B?????G?O?

5. As a non-commissioned officer he dons the vestment upside down (6)

6. That's about the Sappers (6) ?H????

7. He may be found in elaborate copies (4) ???E

Thanks in advance for any help given

[scorpiojo]

6 Th RE at?

[scorpiojo]

3 Sahib - ah + bis (twice)

[writesbad]

1 alliterate?

[PenWise]

Thanks for answers given, but any more help would be appreciated

[scorpiojo]

Have you any more letters?

[TOMMO33]

It's weird quiz. 4 may be Burlington, as there's Burlington Arcade.
7 May be Opie, if you're after people.
Is there a theme.

[TOMMO33]

1 could be CRAPULENCE.
and perhaps you can settle for (Serge) BLANCO for No. 5. An alb is a vestment