ERTE "VIGNE" COURVOISIER NO. 1: Sealed Romain 'Erte de Tirtoff "Vigne" #1 Courvoisier Collector Cognac bottle in fitted presentation box with legacy booklet. Bottle Approx. 10" h x 6.5" w. Box Approx. 11.75" h x 8.25" l x 3.5" w. Its a special cognac collection. The Courvoisier Erte Collection includes 8 different bottles of cognac. No. 1 to No.7 of the Erte Collection bottle, and the decanter of 1988. The Russian-born French artist Romain de Tirtoff, also known as Erte (born in November 1892), designed the bottles of this limited edition. The visuals present the 7 steps of cognac making. The blends consist of rare Grande Champagne eau-de-vie, some of them are from the end of the 19th century, when Erte was born. The 8th bottle, Inedit, wasn't actually part of the original launch, as it was released in 1995. Erte set prices can range from $8000 to $20,000.