Details of a stamp in my main collection

CID1
StampRef21062
SetRef0
CStateUS
ItemID16421
CoverID
Qualityfine
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/16421.jpg or collection/16421.png

There is one example of this stamp in the collection.