There is a small production fold in the glass underneath the base, as can be seen in photos of the underneath.

Origin: Empoli
Pattern: Grapes
Material: Glass
MPN: Tall Raised Design Embossed Fruit Cherry Wine Juice Vines Rossini
Subject: Cherry
Colour: Green
Vintage: Yes
Brand: Rossini Empoli
Type: Bottle
Original/Licensed Reproduction: Original
Era: Mid 20th Century (1941-1969)
Theme: Art, Bar & Club, Barware, Christmas, Easter, Fruit & Vegetables, Italian, Retro & Lounge, Bacchus, Fruit, Italy
Style: Mid-Century Modern
Features: 3D Effect, Decorative, Textured, Footed, With Including Stopper
Production Style: Pressed Glass
Time Period Manufactured: 1960-1969
Country/Region of Manufacture: Italy
Finish: Glossy