Possible Clues:

• Badge of membership
• At home, notice one has a badge of office
• Badge, one sported by latter-day Post Office, no trick but trendy
• The distinctive marks in a gin cocktail? Yes, in Spain, inside
• Badges and pins dig in without caps, I note
• In the way to make your mark with one A for these marks
• Emblem of rank or office
• Emblems and one name dropped from pub marker, I admitted initially
• Badges or emblems of rank
• Emblems of rank