4c brown Washington block of four
Scott Catalogue USA: 503
unused; dry plate; plate number 8881 in margin
4c brown Washington pane of ninety
Scott Catalogue USA: 503
unused; top row unprinted; plate number 7972 twice in margin
4c brown Washington pane of one hundred
Scott Catalogue USA: 503
unused; plate number omitted from margin
4c brown Washington sheet of one hundred ten
Scott Catalogue USA: 503
unused; arrow, plate number 7972 in margin
4c Washington bottom plate block of six
Scott Catalogue USA: 503
Bottom margin block of 6; plate number 7599
4c Washington left plate block of six
Scott Catalogue USA: 503
Left margin block of 6; plate number 7599
Scott Catalogue USA: 503
Certified plate proofs are the last printed proof of the plate before...
4c Washington right plate block of six
Scott Catalogue USA: 503
Right margin block of 6; plate number 8496