THE 2021 SUMMER SALE - SALE 336 Day 3

1900s-10s a specialized collection of Japan PO in China Chrysanthemum Series ovpt. CHINA issues (OC1-18),
with perforation study and postmarkings study. A nice collection. Please view.
1900-10年代一集日本在華客郵菊切手新舊票研究，共約39頁貼片，包含不同版式各種分齒和郵戳研究，十分精彩，請預覽。