Contradiction with Exodus 25:37
Exodus 37:28 describes the making of incense, but Exodus 25:37 discusses the lampstand and its lamps, showing a difference in focus on items made for the tabernacle.
Exodus 25:37: And thou shalt make the seven lamps thereof: and they shall light the lamps thereof, that they may give light over against it. [shall light: or, shall cause to ascend] [it: Heb. the face of it]
Contradiction with Exodus 30:25
Exodus 37:28 involves the overlaying of staves with gold, while Exodus 30:25 speaks about the anointing oil, highlighting a difference in the type of sacred objects being mentioned.
Exodus 30:25: And thou shalt make it an oil of holy ointment, an ointment compound after the art of the apothecary: it shall be an holy anointing oil. [apothecary: or, perfumer]
Contradiction with Numbers 4:9
Exodus 37:28 deals with gold overlay, but Numbers 4:9 refers to the covering of items with a blue cloth, indicating a variance in materials used for covering sanctuary instruments.
Numbers 4:9: And they shall take a cloth of blue, and cover the candlestick of the light, and his lamps, and his tongs, and his snuffdishes, and all the oil vessels thereof, wherewith they minister unto it: