Well, there isn’t a Scott Catalog #200, so instead I present to you #205…
5¢
Yellow brown, brown, dark brown
Subject: James Garfield
Number issued: 167,351,000
Perforations: P12
Printer: American Bank Note Co.
Paper: Soft porous paper
Scott #: 205
Date Issued: April 10th, 1882
Used: 40¢ - $1
No postmark with gum (MH): $22.50 - $60
Full perfect gum (MNH): $115 - $225

Hitting 150 sounds like a great time to showcase another stamp in my collection, SN #150.
1870 without grill 10¢
Brown, dark brown, yellow brown
Type of Paper: Hard white wove paper
Subject: Thomas Jefferson
Number issued: 10,920,000
Perforations: 12
Printer: National Bank Note Company
Earliest Documented Use: May 14, 1870