Description: Gainsborough blue boy with pumpkin head ready for Halloween. Halloween fun.

Description: Luna the rescue dog in profile, in front of the large Full Moon.

Description: Venture capital unicorn, round with text. Stylized silhouette of unicorn with nine zeroes,

Description: Venture capital unicorn with 9 zeroes

Description: Considered first analogue computer, Ancient Greece. Astronomy. Artistic impression. With round greek border.

Description: Word play on indoctrinated with dog head silhouette, white. This humorous design is for people who like dogs

Description: Word play on indoctrinated with full dog silhouette, white. This humorous design is for people who like dogs.

Description: Skeleton with Santa's hat. What Holiday? Halloween or Christmas? Skeleton is confused.

Description: Pumpkin, jack o lantern with radioactivity symbol for face.

Description: Jack o lantern with open mouth and pronounced canines.

Description: Word Halloween with danse macabre letters and skulls

Description: Weather person humor with weather forecast symbols, white version.

Description: Classic Latin saying "In wine there is truth", with wine glasses, grapes and vines. Great for oenophiles, wine connoisseurs, wine lovers in general.

Description: Theory of the culinary universe. Quantum culinary humor. Not to be confused with space time continuum. Cooking, food, herbs, spices.

Description: Composition from golden ratio, Fibonacci spiral elements. Abstract art with geometric shapes in blue.

Description: Vincent van Gogh meets Leonardo Fibonacci. Golden mean, Fibonacci sequence. Fibonacci spiral superimposed on elements of van Gogh's famous painting.

Description: Another version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Fibonacci sequence, golden ratio, fascinating artists and scientists for centuries. Blue, line.

Description: Another version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Fibonacci sequence, golden ratio, fascinating artists and scientists for centuries. BW, line.

Description: Magenta version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Fibonacci sequence, golden ratio, fascinating artists and scientists for centuries. Magenta, pink.

Description: Considered first analogue computer, Ancient Greece. Astronomy. Artistic impression. With dimension lines.

Description: Varena Tributaria Regulata aka Elizabeth Warren. Considered a strong proponent of higher taxes and more regulation by her opponents. With Phrygian cap.

Description: Fictional financial mythology humor. Inflation humor.

Description: Line drawing of letters NFT standing for non-fungible token.

Description: Considered first analogue computer. Ancient Greece. Astronomy. Artistic impression. White line.

Description: Free, artistic impression, line drawing. Handheld device humor. Antikythera.

Description: Man carrying large phone. Mobile phone, early model.

Description: Iconic floral symbol. Popular in France, Florence, New Orleans, Louisiana, and everywhere.

Description: Stylized canine teeth.

Description: Lindsey Graham, excellent example of spineless politician.

Description: Ophiuchus. Serpent Bearer constellation. New 13th Zodiac sign. Snake bearer. Serpentarius in Latin. From Nov. 29 to Dec. 17.

Description: Pi symbol humor. Good for your genius or others fascinated by mathematics, sciences, engineering, history, etc. Semi vintage. Here is your Pi genius!

Description: Love theory equation. Theory of relativity humor.

Description: Another version from the series "Hokusai Meets Fibonacci." Fibonacci spiral superimposed on "The Great Wave" by Hokusai. Fibonacci sequence, golden ratio fascinating artists and scientists for centuries. Linear, blue version.

Description: Fibonacci numbers, spiral art. Also known as golden ratio, divine proportion, golden section, Fibonacci sequence follows Fibonacci spiral. Typographical design. Simulated gold tones,

Description: Fibonacci numbers, spiral art. Also known as golden ratio, divine proportion, golden section, Fibonacci sequence follows Fibonacci spiral. Typographical design. White.

Description: Golden ratio, Fibonacci spiral. Typographic, pop art style. Celebrate Fibonacci Day November 23! 1,1,2,3. Type follows spiral on colorful golden ratio panels.