GB 1915 SG408wi Mint Wmk. Inverted & "POS" Wmk.
Stock Code: P11213474X
1915 2s6d Sepia (Seal brown, Wmk. Inverted). Superb unused o.g. block of four (2 stamps u/m) the top pair showing watermark inverted and the bottom pair with "POS" of "POSTAGE" inverted. A lovely example of this scarce DLR watermark variety. Spec. N64(13)f/ya.
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