Stroma 1969 Dogs - Collie 1s3d imperf single with EUROPA 1969 overprint doubled, one inverted unmounted mint
Stroma 1969 Dogs - Collie 1s3d imperf single with EUROPA 1969 overprint doubled, one inverted unmounted mint
Stroma 1969 Dogs - Collie 1s3d imperf single with EUROPA 1969 overprint doubled, one inverted unmounted mint