Details of a stamp in my main collection

CID1
StampRef8516
SetRef0
CStateMint
ItemID5921
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/5921.jpg or collection/5921.png

CID1
StampRef8516
SetRef0
CStateUS
ItemID5925
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/5925.jpg or collection/5925.png

2 different examples of this stamp were found in the collection.