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Autumn 2023 Sales Special Features: C92 Scientist (8-1) 4f with an extra characcter “前” | 秋拍拍品介紹：紀92科學家（8-1）4分“公元前”錯版票
1963.2.12 南京寄南通，貼極珍罕之紀92科學家（8-1）4分“公元前”錯版票 + （8-2）4分，銷江蘇南…
Inaugural auction in July 2022 with record-breaking results. Next auction November 2022!
