1979년 미국 등잔우표의 역쇄 에러 57500달러 경매 시작
Zoom 1979 $1 tan, brown orange and yellow, brown inverted, block of four, n.h. and post office fresh, v.f., one of only three known blocks of four of this popular error, significantly undervalued given its rarity. Discovered in 1985, the CIA Invert was the first major inverted stamp in 66 years. The story began when an auctioneer specializing in U.S. error stamps announced the ..
