: QUERY: [WHAT IS THE BULLET-STAMP/CANCEL-STAMP AND ROUND-STAMP?]

: SOLUTION: [ A POSTAL-CLERK AT YOUR POST OFFICE WILL USE THEIR ROUND STAMP ALSO CALLED A CANCEL OR BULLET STAMP WITH THE DATE AND POST OFFICE LOCATION ON IT. THEIR STAMPS VARY IN STYLE, SHAPE, WORDING AND INK-COLOR. THEY SHOULD ALL HAVE THE DATE ON IT. ]