The phrase "and a suitcase of" is correct and usable in written English.
It can be used when describing a quantity or type of items contained within a suitcase, often in a narrative or descriptive context.
Example: "She arrived at the airport with a backpack and a suitcase of clothes for her month-long trip."
Alternatives: "and a bag of" or "and a trunk of".
I took my bass guitar and a suitcase of clothes and never moved back to California.
The moving truck went missing somewhere in the Midwest, and he ended up in the city with nothing but a pillow, a blanket, and a suitcase of clothes.
Fleeing the Nazis (it is said that he caught "the last train" from Prague in 1939), Brod and a suitcase of Kafka papers, including The Trial, ended up in Tel Aviv.
What if planes come and drop more bombs?" So Mrs. Nakamura started out for Asano Park with her children and Mrs. Hataya, and she carried her rucksack of emergency clothing, a blanket, an umbrella, and a suitcase of things she had cached in her air-raid shelter.
Cast just days before the 22-day shoot started, she arrived with a newspaper photograph of a young woman in a green cargo jacket that she had ripped out for inspiration, and a suitcase of possibilities she had culled from her own wardrobe as well as from budget fashion stores like Primark, Zara and Warehouse.
He left his home with little money and a suitcase of clothes.
One rainy day last month, Roberta Flack, the smooth voice of 1970s soul ballads, stepped out of a recording studio in Chelsea, hailed a yellow taxi and threw a suitcase of CDs into the back seat.
My friends lent me their apartments, and with a suitcase of basics, I moved seven times within a span of two months.
They are often sold person to person by amateur dealers who go back to the homeland for a visit and return with a suitcase of fresh parties.
Best scene: Bex visits his childhood bedroom, walls covered in football heroes of his youth, and digs out a suitcase of weaponry.
See also: the Tooth Fairy has requested your dummies to make into birthday presents; and Fred the cat has packed a suitcase of Whiskas and gone to live in Cornwall.
