1d pane - wmk upright. ½ d pane - wmk inverted.
If its quality you're after.... All items will be packaged carefully to minimize the possibility of damage in the post. Singles and blocks will be dispatched in a hardback envelope. Full sheets will be rolled and dispatched in a tube.
We are members of the PTS and attend Stampex (Stand 43). This item is in the category "Stamps\Great Britain\Booklets\Pre-Decimal (1953-1970)". The seller is "mintgbstamps" and is located in this country: GB. This item can be shipped worldwide.