I believe I offer some of the best prices available and will always fully and correctly identify lots to lead to significantly higher offers than many who just skim over and offer as basic stamps, shades or varieties often costing hundreds of pounds on individual lots alone. Please contact me if you think you have material that is similar and may be of interest. MB1a De La Rue booklet pane with watermark inverted in Post Office fresh unmounted mint condition with excellent full perforations all around and no rusting or staining even to booklet selvedge. I can now offer an Excel spreadsheet of all listed and unlisted Edward V11 shades that can be printed off in colour coded format for use as a ticketing system for reference collections of this era.If interested please contact me as this is a free offer not able to list separately here. The item "MB1a De La Rue booklet pane wmk inv Post Office fresh unmounted mint, superb" is in sale since Saturday, September 21, 2019. This item is in the category "Stamps\Great Britain\Edward VII". The seller is "ukgbstamps" and is located in Inverness, Highland. This item can be shipped worldwide.