Details of a stamp in my main collection

CID1
StampRef21061
SetRef0
CStateUS
ItemID16420
CoverID
Qualityfine
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/16420.jpg or collection/16420.png

There is one example of this stamp in the collection.