Top of back of collar to bottom of shirt - 28. Sleeveless, but so are the other few I've seen of this shirt.
I believe it came sleeveless originally. One faint, VERY SMALL yellow mark on the back, as pictured. I had to look very closely to see it at all. The item "TRUE VTG 80s Mosquitohead David Bowie All Over Print Shirt Fifth Column Iggy Pop" is in sale since Friday, November 8, 2019.
This item is in the category "Clothing, Shoes & Accessories\Specialty\Vintage\Men's Vintage Clothing\T-Shirts". The seller is "freakboutiquevintage" and is located in Long Beach, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.