Stroma 1968 Churchill 6d with red (frame, name & value) inverted (slight set-off on gummed side)
Stroma 1968 Churchill 6d with red (frame, name & value) inverted (slight set-off on gummed side)
Stroma 1968 Churchill 6d with red (frame, name & value) inverted (slight set-off on gummed side)