1967, Thoughts of Chairman Mao (W1), red frame (Yang W2-W6. Scott 943a. Michel 967/971. Yang W2-6), ten se-tenant strips of five in a full pane of 50 with complete selvage, yielding four imprint strips; each strip unfolded (pane folded vertically at center between strips), o.g., never hinged. Very rare, as only a handful of panes have survived, and a once-in-a-lifetime opportunity. Michel €30,000+ (HK$ 249,230). Shipping charges apply - weight 1 lbs.