Proof "No. 7..2½d., S.F. Blue" 6d. with solid numeral, and 1d. "No. 34..2½d., S.F. Blue"

Details
Proof "No. 7..2½d., S.F. Blue" 6d. with solid numeral, and 1d. "No. 34..2½d., S.F. Blue"