1911 HENTSCHEL ESSAYS 1/- COLOUR TRIAL IN'RUBY BLACK, NO. 160' endorsed'SP/92

1911 HENTSCHEL ESSAYS 1/- COLOUR TRIAL IN'RUBY BLACK, NO. 160' endorsed'SP/92' (Slater & Palmer) on white no wmk paper. Super fresh & very scarce. This item is in the category "Stamps\Great Britain\Edward VII". The seller is "embassy-stamps" and is located in this country: GB. This item can be shipped worldwide.