Details of a stamp in my main collection

CID1
StampRef3128
SetRef0
CStateMint
ItemID6139
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/6139.jpg or collection/6139.png

CID1
StampRef3128
SetRef0
CStateUS
ItemID8511
CoverID
QualityFine Used
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID2018
PricePaid21.98
CurrencyGBP
Accession20180522
Disposed

No image found for collection/8511.jpg or collection/8511.png

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