1917 Turkey PTT opt 5pi irregular perf Dulos postage due Isfila 733var *
Code: B35047
Türkiye: 1917 (25 February). PTT overprinted in black on 5pi. irregular perf. of 1872 brown border Dulos postage due type, mint o.g. Thinned but still very rare. Isfila 733var (unrecorded) *
