Sheets of Colombia, 1971

		Issuer	Date	Desc	State
-	no image	Colombia	7/16/1971	empty sheet (#83893)	incomplete
-	no image	Colombia	8/10/1971	EXFICALI 71, empty sheet (#25669)	incomplete
-	no image	Colombia	8/10/1971	EXFICALI 71, empty sheet (#25670)	incomplete