Details of a stamp in my main collection

CID1
StampRef3466
SetRef0
CStateMint
ItemID6090
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6090.jpg or collection/6090.png

CID1
StampRef3466
SetRef0
CStateUS
ItemID6099
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6099.jpg or collection/6099.png

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