Up for auction is a COMPLETE SET of CORNER BLOCKS OF 4 + 1 of UNITED NATIONS STAMPS SCOTT #291 - 293 and Offices in Geneva #73 from 1978. Stamps were purchased new by my father and have remained undisturbed since then. Stamps are MNH, fresh, and will make an excellent addition to your collection. US shipping will be by eBay standard envelope with tracking and bid with confidence as you can see from my 100% positive feedback with over 8000 items sold.