Registered Envelope: 1923 Surch KGV 4½d on 5d brown, straight edge flap, text setting 3 on 1921 issue (RE11C). VF fresh UN. ACSC RE14C cat $1500 for U, unpriced UN, & would be at least $3000. Only 1 used recorded & this is the 1st UN example discovered. 2024 Ceremuga AIEP photo cert.
Estimate A$4000