https://www.positivelypostal.co.uk/products/1-88-u-m-dull-ultramarine-m13l-machin-stamp-no-source-code-sg-u2953
£1.88 u/m dull ultramarine M13L machin stamp no source code SG U2953 – Positively Postal
£1.88 u/m dull ultramarine M13L machin stamp no source code SG U2953
u mmachin stampno sourcedullultramarine