Hello ,
Have a great day.
I am Devendra S (Graphic designer). You are looking for A3 SIZE POSTER.
I have 7 years experience and designed several Flyer Design.
File Format - JPG, JPEG, PSD, PNG, .EPS, PDF, AI, CDR etc.
Tool:
Adobe Photoshop
CorelDraw
Adobe Illustrator
Adobe In Design
You can see an example of one of those projects in my portfolio here: https://www.freelancer.com/hireme/DBVertexZone
I am waiting for your positive reply
Thanks