Metro.co.uk is marking Pride Week (June 14-20) with a series of articles celebrating the LGBT+ community.Most people will be aware of the rainbow flag that acts as an umbrella symbol for the whole movement after first being used to denote gays and lesbians in 1978.But is there a flag specifically for lesbian visibility and celebration?Here’s all you need to know.There is no one official lesbian flag, but the one below has become increasingly common over the last decade.Sometimes it features the addition of a lipstick mark in one corner and is flown to celebrate the subculture of Lipstick Lesbian, members of which stick to a ‘feminine’ image rather than taking a ‘butch’ one.The use of pinks and reds are meant to celebrate femininity.While.