China PRC SC#782 Souvenir Sheet S61 Mint Never Hinged (No Gum As Issued)
China PRC SC#782 Souvenir Sheet S61 Mint Never Hinged (No Gum As Issued)
China PRC SC#782 Souvenir Sheet S61 Mint Never Hinged (No Gum As Issued)
China PRC SC#782 Souvenir Sheet S61 Mint Never Hinged (No Gum As Issued)