A Superb collection of unmounted mint decimal elliptical perf machins - SG Y1760 to Y1790 (Complete). It includes each and every variation of these tricky litho stamps e. All side bands, perf types, phosphor variations, shades and changes of printer i. There are 45 different stamps in total and all have full perfs, albeit it elliptical. This superb collection will be sent out on black stock cards in the same order, as laid out in the pictures above. A4 Sheets with printed tabs, giving SG cat numbers, shades, phosphor types, value types etc (printed in black & white, as shown in the photos...