丢了东西就应该这样写：
Lost：My ****[填丢失物品]
It's ***.My name is *** [第一空填物品颜色 第二空为你的名字]
Please call ***-****.Thank you. [填电话号码]
例：[假如我是J我丢了铅笔,我号码是222-2222]
Lost:My pencil.
It's red.My name is J.
Please call 222-2222.Thank you.