Museum Piece is a main story mission in Grand Theft Auto IV, given by Ray Boccino .
It's the 63° GTA IV mission in chronological order, and it takes place in Algonquin.
Niko tries to sell the diamonds to Isaac Roth with Johnny Klebitz's support, but is interrupted and the diamonds are stolen by Luis Lopez, while the money is stolen by Klebitz.
- This mission crosses over "Collector's Item" (TLaD) and "Not so Fast" (TBoGT)
- This is the last time Johnny and Niko meet, and the second last time Luis and Niko meet.
Museum Piece: Mission Objectives
- Meet Johnny at the side entrance to the Libertonian.
- Escape the Libertonian.
- Lose Isaac's crew.
Museum Piece: Mission Info
- Game Edition
Grand Theft Auto IV
Grand Theft Auto IV- Mission Number 63
- Mission Giver
Ray Boccino
- Location Drusilla's, Little Italy, Algonquin
- State / Area Algonquin
- Available After Mission (Story Mode)
Ray Boccino- Rewards 9,500$; "Impossible Trinity" Achievement
- Unlocked Items
Combat Pistol 
No Way on the Subway - Featuring
Hellfury PMP 600 Isaac Roth Johnny Klebitz Luis Fernando Lopez Mori Green Ancelotti Crime Family Pegorino Crime Family
The Lost MC
Combat Pistol
No Way on the Subway
Hellfury
PMP 600
Isaac Roth
Johnny Klebitz
Luis Fernando Lopez
Mori Green
Ancelotti Crime Family
Pegorino Crime Family
The Lost MC