unmounted mint 1c, 3c Souvenir Sheets (730, 731, 735, 750, 751), accumulation of 39 comprising no. 730 (four), no. 731 (one), no. 735 (eleven), no. 750 (nine), no. 751 (fourteen), most without gum as issued, others never hinged, very fine, Scott retail $839.50