Details of a stamp in my main collection

CID1
StampRef4649
SetRef0
CStateMint
ItemID8487
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/8487.jpg or collection/8487.png

CID1
StampRef4649
SetRef0
CStateUS
ItemID8507
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/8507.jpg or collection/8507.png

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