Details of a stamp in my main collection

CID1
StampRef3460
SetRef0
CStateMint
ItemID6084
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6084.jpg or collection/6084.png

CID1
StampRef3460
SetRef0
CStateUS
ItemID6367
CoverID0
Quality
Description
CollectTypeMain Stamp
CommentMISSING - noticed 18/8/25
Location0
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6367.jpg or collection/6367.png

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