CTO stands for "cancel to order", meaning these stamps are real(officially issued) and never used but were cancelled (postmarked) by post office for various reasons. Lots of these stamps were cancelled officially and exported to other countries in the past to gain foreign currency. Don't get it wrong.
CTO stamps may not necessarily be cheap作者: 曾雷 时间: 2013-1-24 08:56
CTO stands for "cancel to order", meaning these stamps are real(officially issued) and never used bu ...
delicacy 发表于 2013-1-24 03:35
So you are saying CTO doesn't necessary mean the stamp is used. So it's ok for CTO stamp to have original glue on the back, correct?作者: lychi 时间: 2013-1-25 04:25