Tuvalu 1988 Crested Tern 30c imperf corner imprint block of 4 unmounted mint, SG 507var
Tuvalu 1988 Crested Tern 30c imperf corner imprint block of 4 unmounted mint, SG 507var
Tuvalu 1988 Crested Tern 30c imperf corner imprint block of 4 unmounted mint, SG 507var