Pi Day is almost here!

Celebrating on Friday, March 12th? At this point we recommend paying extra for Express Mail shipping.

Celebrating on Sunday, March 14th? Try to order by mid-day Wednesday, March 10th for delivery on or before the 13th . Orders placed by mid-day Thursday still have a good chance of arriving on the 13th. We also offer overnight shipping to most US zip codes.

This deadline is based on USPS guidelines and our experience. Priority Mail orders placed by this deadline are very likely to arrive on time, but are not guaranteed to do so.

See Pi T-shirts, Ties, Earrings, Pins, & Tote Bags

Lapel Pins

Products

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Atom Lapel or Tie Pin

Actual height 3/4 inch (19 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

E mc2 Lapel or Tie Pin

Actual width 13/16 inch (20 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

Microscope Lapel or Tie Pin

Actual height 1 inch (25 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

Brain Lapel or Tie Pin

Actual width 11/16 inch (18 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

Flask Lapel or Tie Pin

Actual height 11/16 inch (18 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

Beaker Lapel or Tie Pin

Actual height 9/16 inch (14 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.

Pricing: Lapel Pin $6. Tie Pin $8.

X Chromosome Lapel Pin

Enamel pin. 1 1/4" x 5/8" (32 mm x 16 mm).

Price: $12.

Y Chromosome Lapel Pin

Enamel pin. 15/16" x 5/8" (24 mm x 17 mm).

Price: $12.

Ursa Major Lapel Pin

Enamel pin. 1" x 5/8" (16 mm x 16 mm).

Price: $8.

Test Tube Lapel Pin

Enamel pin. 1 1/2" x 1/4" (40 mm x 6 mm).

Price: $12.