830056000972

• 8 — Number system
• 30056 — Manufacturer code
• 00097 — Product code
• 2 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Title: two by four - by: Robert s Frost

Search for Title: two by four - by: Robert s Frost on Amazon (or for the code 830056000972)