Continuity mistake: When XXXX is awakened by Dragan's phone call, there is a gun lying on his pillow. In the overhead shot the gun is pointing in one direction; in subsequent shots it is pointing the other way. (00:40:45)
Continuity mistake: In the scene where XXXX and Lucky are in the park waiting in order to assassinate Dragan - after Dragan shoots Lucky and is talking to XXXX on the phone, the bag that Lucky was resting his gun on changes position between shots.
Continuity mistake: In the scene in the park where XXXX and Lucky are waiting in the bush - when Lucky looks through his telescopic sight at Dragan it appears to be raining, however, when we return to the wide shot of the two of them in the bush, it appears to be a rain-free day.
Continuity mistake: When Tammy is undressing, she pulls off her top and is not wearing a bra. Moments later, when pulling on her nylons, the bottom of a black bra can be seen at the top of the frame. This is the same bra that she puts on to finish her outfit.
Continuity mistake: When Lucky is with XXXX looking for Dragan at the top of Greenwich Hill the cross hairs in the telescopic sight appear and disappear between shots.
Continuity mistake: When XXXX and Gene are drinking at the coffee table, from the side shot the bottles are at opposite sides of the table but from underneath they are side by side.
Continuity mistake: After XXXX places the telephone call before being abducted from his apartment by Eddie Temple's thugs, he throws down the cell phone on the bed. In the next shot when Tammy comes out of the bathroom, the cell phone is gone.
Continuity mistake: Lucky's body changes positions several times after he is shot dead.
Continuity mistake: When XXXX goes to lunch with the boss at the clubhouse at the beginning of the movie, the position and composition of golfers on the green and golf bags propped at the flagpole changes between the aerial and ground shot.
Continuity mistake: SPOILER: The pistol featured on the movie cover is not the identical gun used during Gene's flashback. Although it's said to be the same murder weapon, both guns can be set apart when Gene opens his hidden cache of weapons. One gun has a noticeably blue handle.
Continuity mistake: When XXXX and Gene are drinking at Gene's apartment, the whiskey bottles change positions between shots.
Continuity mistake: When XXXX is dropped off by Eddie Temple he is wearing a dressing gown, but the next shot is of him in his kitchen pouring a drink wearing a T-shirt and jacket, all worked up and agitated by the news he's just heard.
Continuity mistake: When XXXX and Gene are drinking whiskey at Gene's flat, XXXX fills the glass closest to him first, but when the camera switches through the table, the glass closest to him is empty and he has filled up Gene's glass first.
Continuity mistake: Dragan shoots XXXX's sniper - he is shown, dead, to XXX's right. Then, during the telephone conversation which follows, the sniper's suitcase is to the right of XXXX but the body is not to be seen.
Answer: Because the logo's a car registration plate and a number fits that structure better than just letters.