Hebrews 13:10

We have an altar, whereof they have no right to eat who serve the tabernacle.

Revelation 21:14

And the walls of the city had twelve foundations, and upon them the twelve names of the twelve apostles of the Lamb.

Treasury of Scripture Knowledge

Summary

This was the dedication of the altar, in the day when it was anointed, by the princes of Israel: twelve chargers of silver, twelve silver bowls, twelve spoons of gold:

Bible References

The dedication

Hebrews 13:10
We have an altar, whereof they have no right to eat who serve the tabernacle.
Revelation 21:14
And the walls of the city had twelve foundations, and upon them the twelve names of the twelve apostles of the Lamb.